ToolardoFree & unlimited
About Toolardo

Toolardo — Your Browser-Based OS

Toolardo is a browser-based software platform for doing real work without installing traditional desktop software. Launched on 26 August 2026, it brings file, data, development, design and scientific workflows into one browser-first workspace. The current tools are free to access and do not require an account unless a tool clearly says otherwise.

Launched
Current tools
632
Categories
27
Free access
No signup

Beyond simple file tools

Toolardo now includes SQL Studio for working with databases, a professional CV Builder, 3D molecular viewers and converters, a 3D Home Editor, a Duplicate Finder for local data, and advanced scientific tools for chemistry, physics, bioinformatics and research. These sit alongside hundreds of PDF, image, document, developer, media, data and utility tools. Where local processing is supported, files stay on the user's device. The platform will continue moving toward richer browser-native applications while keeping focused tools fast and easy to open.

Official information about Toolardo

Toolardo is an independently developed online software project. Information published on third-party websites, social-media profiles, posts, comments, or other external sources should not be interpreted as an official statement regarding the ownership, authorship, management, or authorized representation of Toolardo unless explicitly confirmed on Toolardo.com. Official information concerning Toolardo is published through Toolardo.com and its designated official accounts.

How Toolardo has grown

This chart is rebuilt from the tool registry. Tools prepared before the public launch are counted on launch day. Adding a new tool automatically updates the chart and totals.

DateTools addedRunning total
+190190
+1191
+66257
+88345
+8353
+24377
+19396
+30426
+5431
+17448
+83531
+1532
+19551
+9560
+1561
+15576
+33609
+1610
+2612
+13625
+4629
+1630
+1631

What does each tool do?

Choose a category or search by a task. Every explanation gives the short answer first, in plain language.

632 tools shown
PDF48

Add Watermark to PDF

What it does: Use Add Watermark to PDF directly in your browser. Files stay on your device and are processed locally.

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Bookmark PDF

What it does: Use Bookmark PDF directly in your browser. Files stay on your device and are processed locally.

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Change PDF Page Size

What it does: Use Change PDF Page Size directly in your browser. Files stay on your device and are processed locally.

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Compress PDF

What it does: Compress scanned and image-heavy PDFs locally by rebuilding pages with adjustable raster quality.

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Crop PDF

What it does: Use Crop PDF directly in your browser. Files stay on your device and are processed locally.

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Extract PDF Images

What it does: Use Extract PDF Images directly in your browser. Files stay on your device and are processed locally.

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Extract PDF Pages

What it does: Use Extract PDF Pages directly in your browser. Your files stay on your device and are processed locally.

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Fill Out PDF

What it does: Use Fill Out PDF directly in your browser. Files stay on your device and are processed locally.

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Flatten PDF

What it does: Flatten a PDF in your browser. Use visual flattening for maximum compatibility or flatten form fields while preserving vector content.

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Halve PDF Pages

What it does: Use Halve PDF Pages directly in your browser. Files stay on your device and are processed locally.

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HTML to PDF

What it does: Convert an HTML file or pasted HTML code into a PDF on your device, then download it with one button.

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Images to PDF

What it does: Convert JPG and PNG images to PDF directly in your browser. Files stay on your device and the PDF is generated locally.

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JPG to PDF

What it does: Convert JPG images to PDF directly in your browser. Files stay on your device and the PDF is generated locally.

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Markdown to PDF

What it does: Use Markdown to PDF directly in your browser. Files stay on your device and are processed locally.

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Merge PDF

What it does: Use Merge PDF directly in your browser. Your files stay on your device and are processed locally.

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OCR2PDF-RAPID

What it does: Run page-by-page GPU OCR locally with WebGPU or WASM. Recover completed pages after interruptions, download text progressively and optionally generate searchable PDF.

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OCR PDF

What it does: OCR scanned PDFs locally in your browser with Tesseract.js WASM and download searchable PDF, TXT or positioned JSON results.

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Pages Per Sheet

What it does: Use Pages Per Sheet directly in your browser. Files stay on your device and are processed locally.

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PDF Editor

What it does: Edit PDF files in your browser. Add or replace visible text, images, signatures, drawings and highlights; reorder, rotate, duplicate, delete or merge pages without uploading files.

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PDF Overlay

What it does: Use PDF Overlay directly in your browser. Files stay on your device and are processed locally.

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PDF Security Analyzer

What it does: PDF yapısını JavaScript, otomatik eylem, çalıştırma komutu, dış bağlantı, form gönderimi, gömülü dosya, XFA, gizleme ve şüpheli ek veri açısından yerel olarak inceleyin. PDF açılmaz veya yüklenmez.

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PDF to HTML

What it does: Text, detected tables and pictures are transferred together into one HTML file. Your PDF is processed on this device. No upload.

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PDF to JPG

What it does: Convert selected PDF pages to JPG locally in your browser. Choose page ranges, output DPI and JPEG quality without uploading the PDF.

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PDF to PNG

What it does: Render selected PDF pages to high-quality PNG locally in your browser. Choose page ranges and output DPI without uploading the PDF.

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PDF to Text

What it does: Extract text from PDF files directly in your browser and download the result as TXT. No file upload is required.

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PDF to Text (OCR)

What it does: Extract text from normal and scanned PDFs. Existing text is preserved and image-only pages use automatic mixed-script OCR.

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PDF to Word · Tables & Images

What it does: Convert PDF text, detected tables and images to Word locally. Review merged cells and pictures before downloading. Scans are directed to OCR PDF first.

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PNG to PDF

What it does: Convert PNG images to PDF directly in your browser. Files stay on your device and the PDF is generated locally.

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PowerPoint / PPTX to PDF

What it does: Convert PowerPoint PPTX or legacy PPT slides to PDF directly in your browser. Preserves slide geometry and supports optional PDF/A-2b output.

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Protect PDF

What it does: Use Protect PDF directly in your browser. Files stay on your device and are processed locally.

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Rearrange PDF Pages

What it does: Use Rearrange PDF Pages directly in your browser. Files stay on your device and are processed locally.

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Remove PDF Metadata

What it does: Use Remove PDF Metadata directly in your browser. Files stay on your device and are processed locally.

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Remove PDF Pages

What it does: Use Remove PDF Pages directly in your browser. Your files stay on your device and are processed locally.

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Rotate PDF Pages

What it does: Use Rotate PDF Pages directly in your browser. Your files stay on your device and are processed locally.

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Secure PDF Redactor

What it does: Permanently redact sensitive areas in a PDF in your browser. Redacted pages are rasterized and rebuilt so the original text/content stream is not copied into those output pages.

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Sign PDF / Add Signature

What it does: Draw a signature or upload PNG/JPG, place it on a PDF page and download the signed PDF. The document stays in your browser.

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Split PDF

What it does: Use Split PDF directly in your browser. Your files stay on your device and are processed locally.

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SVG to PDF

What it does: Use SVG to PDF directly in your browser. Files stay on your device and are processed locally.

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Text to PDF

What it does: Turn plain text into a clean A4 PDF directly in your browser. Unicode text is rendered visually for reliable multilingual output.

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Unlock PDF

What it does: Use Unlock PDF directly in your browser. Files stay on your device and are processed locally.

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Visual PDF Compare

What it does: Compare two PDFs visually in your browser. Scan page-by-page differences and inspect side-by-side, overlay and red diff views without uploading files.

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Word / DOCX to PDF

What it does: Convert DOCX or legacy DOC files to real PDF text locally in your browser. Supports Word-compatible layout and optional PDF/A-2b output.

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Excel20

Compare Excel Files

What it does: Use Compare Excel Files directly in your browser. Files stay on your device and are processed locally.

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CSV to Excel

What it does: Use CSV to Excel directly in your browser. Your files stay on your device and are processed locally.

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Excel / XLSX to PDF

What it does: Convert one or multiple XLSX/XLS workbooks to searchable PDF in your browser. Batch jobs create one PDF per workbook and download them together as a ZIP; CSV/XLSM/XLSB compatibility conversion is also supported.

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Excel Data Cleaner

What it does: Use Excel Data Cleaner directly in your browser. Files stay on your device and are processed locally.

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Excel to CSV

What it does: Use Excel to CSV directly in your browser. Your files stay on your device and are processed locally.

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Excel to JSON

What it does: Use Excel to JSON directly in your browser. Your files stay on your device and are processed locally.

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Excel to Word

What it does: Use Excel to Word directly in your browser. Files stay on your device and are processed locally.

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Excel to XML

What it does: Use Excel to XML directly in your browser. Files stay on your device and are processed locally.

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JSON to Excel

What it does: Use JSON to Excel directly in your browser. Your files stay on your device and are processed locally.

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Merge Excel Files

What it does: Use Merge Excel Files directly in your browser. Files stay on your device and are processed locally.

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PDF to Excel

What it does: Convert one or multiple PDF tables to separate Excel workbooks in your browser. Digital PDFs are read directly; scanned PDFs can use local WebGPU/WASM OCR. Multiple outputs download as one ZIP.

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Split Excel File

What it does: Use Split Excel File directly in your browser. Your files stay on your device and are processed locally.

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XLS to XLSX

What it does: Use XLS to XLSX directly in your browser. Your files stay on your device and are processed locally.

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XLSX to XLS

What it does: Use XLSX to XLS directly in your browser. Your files stay on your device and are processed locally.

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XML to Excel

What it does: Use XML to Excel directly in your browser. Files stay on your device and are processed locally.

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Image70

Add Text to Image

What it does: Use Add Text to Image directly in your browser. Processing happens locally on your device.

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Barcode Generator

What it does: Generate CODE128, EAN-13, UPC-A, CODE39 and ITF-14 barcodes locally in your browser. Automatic check digits. Download SVG or PNG.

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Barcode Reader

What it does: Use Barcode Reader directly in your browser. Processing happens locally on your device.

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Blur Image

What it does: Use Blur Image directly in your browser. Processing happens locally on your device.

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Change Image DPI

What it does: Check the current DPI of a JPG or PNG, calculate publication print size, and create a true 300 or 600 DPI resampled image directly in your browser.

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Corner-Preserving Image Resizer

What it does: Drag a corner or an edge to resize. Corners keep their original size. Edges keep their thickness; only their length changes. The center resizes in both directions. Best for frames, panels and buttons; not general photo enlargement. SVG input is rasterized; output is PNG.

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Dithering Effect

What it does: Use Dithering Effect directly in your browser. Processing happens locally on your device.

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Duotone Effect

What it does: Use Duotone Effect directly in your browser. Processing happens locally on your device.

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Flip Image

What it does: Use Flip Image directly in your browser. Processing happens locally on your device.

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GPS Photo Stamper

What it does: Read GPS/date metadata from a photo when available and stamp coordinates, date/time and an optional location label onto the image.

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Grayscale Image

What it does: Use Grayscale Image directly in your browser. Processing happens locally on your device.

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Halftone Effect

What it does: Use Halftone Effect directly in your browser. Processing happens locally on your device.

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ICO / SVG Preview

What it does: Use ICO / SVG Preview directly in your browser. Processing happens locally on your device.

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Image Compressor

What it does: Compress JPG, PNG and WebP images locally with output-format, quality and maximum-dimension controls.

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Image Cropper

What it does: Use Image Cropper directly in your browser. Processing happens locally on your device.

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Image Diff

What it does: Use Image Diff directly in your browser. Processing happens locally on your device.

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Image DPI Viewer

What it does: Use Image DPI Viewer directly in your browser. Processing happens locally on your device.

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Image Resizer

What it does: Use Image Resizer directly in your browser. Processing happens locally on your device.

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Image Rotator

What it does: Use Image Rotator directly in your browser. Processing happens locally on your device.

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Image to Text (OCR)

What it does: Extract Unicode text from PNG, JPG, WebP and BMP images with automatic mixed-script OCR in your browser.

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Meme Generator

What it does: Use Meme Generator directly in your browser. Processing happens locally on your device.

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Pixel Art Effect

What it does: Use Pixel Art Effect directly in your browser. Processing happens locally on your device.

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Posterize Image

What it does: Use Posterize Image directly in your browser. Processing happens locally on your device.

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QR Code Reader

What it does: Use QR Code Reader directly in your browser. Processing happens locally on your device.

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Remove EXIF Metadata

What it does: Remove EXIF, XMP, GPS, IPTC and JPEG comments locally. JPEG files are cleaned without re-encoding when EXIF orientation does not require pixel rotation.

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Saturation & Hue

What it does: Use Saturation & Hue directly in your browser. Processing happens locally on your device.

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Sepia Image

What it does: Use Sepia Image directly in your browser. Processing happens locally on your device.

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Sharpen Image

What it does: Use Sharpen Image directly in your browser. Processing happens locally on your device.

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SVG Optimizer

What it does: Clean and reduce SVG markup locally with safe browser-side optimization controls and before/after preview.

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Video to GIF Converter

What it does: Trim a browser-readable video and encode selected frames into an animated GIF locally without uploading the video.

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Vignette Effect

What it does: Use Vignette Effect directly in your browser. Processing happens locally on your device.

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WEBP to JPG

What it does: Convert WEBP images to JPG directly in your browser. Adjust JPEG quality and download without uploading the image.

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WEBP to PNG

What it does: Convert WEBP images to lossless PNG locally in your browser. Preserve transparency when available and download without uploading the image.

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Database Tools1

SQLite Database Studio — View, Query, Edit & Export

What it does: SQLite dosyalarını ve yaygın phpMyAdmin MySQL/MariaDB SQL dump dosyalarını tarayıcıda açın. Tabloları gezin, SQL çalıştırın, kayıtları düzenleyin, şemayı görselleştirin ve kaynak dosyayı değiştirmeden yeni SQLite, CSV, JSON veya SQL dosyası indirin.

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Cyber Security Tools1
Media Tools24

Audio Merger

What it does: Arrange and join up to ten audio files into one MP3 or lossless WAV file.

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Images to GIF

What it does: Arrange two to twenty images and create a smooth looping GIF in your browser.

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Loop Video

What it does: Repeat video and audio two to ten times and export one normal MP4 file.

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Mute Video

What it does: Remove the audio track from a video and export a silent MP4 locally in your browser.

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Reverse Video

What it does: Reverse both picture and sound in short videos entirely inside your browser.

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Video Compressor

What it does: Compress MP4, WebM, MOV or MKV video locally in your browser. Reduce resolution and file size without uploading your video.

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Video Cutter & Trimmer

What it does: Cut an exact time range from a video in your browser. Choose fast stream copy or precise MP4 trimming with no file upload.

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Social Media Tools28

One Upload → Every Platform

What it does: Upload one image or video and generate social-ready versions for Instagram, TikTok, YouTube Shorts, LinkedIn, Pinterest and Facebook in one ZIP.

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Archive Tools7

7Z Extractor

What it does: Open and extract 7Z archives locally in the browser, inspect entries and download selected files without uploading the archive.

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Archive Viewer

What it does: Inspect ZIP, RAR, 7Z, TAR and compressed archives locally, browse their file list, preview supported entries, and extract selected files.

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RAR Extractor

What it does: Open RAR archives locally in your browser, inspect their entries and extract files without uploading the archive to Toolardo.

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TAR Extractor

What it does: Browse and extract TAR archives locally in your browser while preserving safe directory paths.

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ZIP Creator

What it does: Create ZIP archives locally from files or folders, choose compression level, preserve relative paths, and optionally protect the archive with a password.

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ZIP Extractor

What it does: Open and extract ZIP archives in your browser with file listing, previews, selected downloads, folder extraction and password support.

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Messaging Tools12

Messaging Sticker Maker

What it does: Create 512×512 WebP stickers locally; useful for WhatsApp static stickers and other compatible messaging workflows.

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Status Video Splitter

What it does: Split long video into shorter parts locally; useful for WhatsApp Status posting limits and similar workflows.

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Voice Note to Text

What it does: Transcribe downloaded WhatsApp voice notes locally with compatible browser AI; audio stays on your device.

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3D & Animation13

3D Character Animator

What it does: Prepare a 3D character skeleton, preview a library of motion clips and export animations without uploading the model.

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3D Model Auto Rigger

What it does: Automatically fit a skeleton to a 3D model, test animations and export the rigged result in a browser workspace.

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Animal 3D Animator

What it does: Rig and animate supported animal-style 3D models with browser-side skeleton templates and motion previews.

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Animate GLB Online

What it does: Load a rigged GLB, map its skeleton to the animation library, preview motion and export selected clips.

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Animate GLTF Online

What it does: Retarget animations to a compatible rigged GLTF/GLB workflow and export selected motion in the browser.

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FBX Auto Rigger

What it does: Import an FBX character, fit a skeleton, test motion and export from the browser-based 3D workspace.

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GLB Auto Rigger

What it does: Rig a GLB character in the browser, adjust the skeleton and test animation clips before export.

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GLTF Auto Rigger

What it does: Rig GLTF assets in the browser. Package GLTF with BIN/textures as ZIP when the model uses separate files.

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Human 3D Animator

What it does: Fit a human skeleton to a 3D character, adjust hands and bones, preview motion and export selected animations.

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Monster 3D Animator

What it does: Rig and animate creature or monster-style 3D models using available skeleton templates and animation clips.

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Similarity & File System Tools8
AI13

Academic Paper Summarizer

What it does: Analyze a text-based research PDF locally and produce a structured summary of the research question, methods, findings, limitations and conclusions with built-in browser AI.

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AI Alt Text Generator

What it does: Generate concise accessibility alt text for an image locally with the browser’s multimodal built-in AI. The image remains on your device.

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AI Audio to Text

What it does: Transcribe an audio file locally with the browser’s multimodal built-in AI. Audio input currently requires compatible desktop GPU support.

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AI Data Extractor

What it does: Extract user-defined fields from unstructured text into constrained JSON locally with the browser’s Prompt API and JSON Schema output.

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AI Grammar Checker

What it does: Correct grammar, spelling and punctuation locally with built-in browser AI while preserving the meaning and voice of your text.

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AI Paraphraser

What it does: Paraphrase text locally with built-in browser AI. Choose academic, professional, simple, concise or natural style while keeping the original meaning.

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AI PDF Summarizer

What it does: Extract selectable PDF text locally and summarize it with the browser’s built-in AI. The PDF stays on your device; scanned PDFs should be OCRed first.

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AI Proofreader

What it does: Proofread text locally for grammar, clarity, flow and academic or professional tone using the browser’s on-device language model.

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AI Text Simplifier

What it does: Turn complex, technical or academic text into clearer language locally with built-in browser AI and selectable reading level.

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AI Text Summarizer

What it does: Summarize long text privately with the browser’s built-in on-device AI. Choose summary type, length and supported language without uploading the text to Toolardo.

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Chat with AI Free

What it does: Chat with AI for free using Chrome’s built-in on-device model. Stream private replies, keep recent conversation history in your browser, attach documents that are converted locally to Markdown, and send no prompts or file contents to Toolardo servers.

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Private AI Translator

What it does: Translate text locally with the browser’s built-in Translator API. Language packs are downloaded by the browser and the text is not sent to Toolardo.

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Physics Tools15

Three-Body Problem Simulator

What it does: Run a live three-body simulation in your browser. Edit masses, 3D positions and velocities, then track trajectories, energy, angular momentum and center-of-mass drift.

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Developer127

AES Encrypt & Decrypt

What it does: Encrypt or decrypt text and files locally with AES-256-GCM and PBKDF2-SHA-256. Passwords, plaintext, and encrypted data stay in your browser.

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API Response Diff

What it does: Use API Response Diff directly in your browser. Processing happens locally on your device.

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Awk Text Analyzer

What it does: Use a browser-based awk simulator to filter rows, compare fields, print selected columns and format text locally. No command line or upload is required.

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BIMI Checker

What it does: Look up BIMI TXT records and inspect logo and authority-certificate locations. Runs directly from Toolardo without a commercial lookup API.

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Binary Translator

What it does: Convert text to 8-bit binary or decode binary bytes back to UTF-8 text. Also view hexadecimal bytes.

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Case Converter

What it does: Use Case Converter directly in your browser. Processing happens locally on your device.

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Code Utilities Studio

What it does: Format, minify and convert common developer formats from one browser-based workspace. Processing stays in your browser.

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Color Converter

What it does: Use Color Converter directly in your browser. Processing happens locally on your device.

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Contrast Checker

What it does: Use Contrast Checker directly in your browser. Processing happens locally on your device.

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CSP Checker

What it does: Inspect Content-Security-Policy headers, directives and broad-risk signals such as unsafe-inline or wildcards. Runs directly from Toolardo without a commercial lookup API.

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CSS Formatter

What it does: Beautify CSS with consistent indentation, declarations and block formatting in the browser. Processing stays in your browser.

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CSS Minifier

What it does: Remove unnecessary CSS whitespace and comments locally to produce a compact stylesheet. Processing stays in your browser.

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CSV Diff

What it does: Use CSV Diff directly in your browser. Processing happens locally on your device.

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cURL Code Converter

What it does: Convert common cURL commands into JavaScript Fetch, Axios, Node.js, Python requests/httpx, PHP, Go, Rust, Java, C#, Ruby, and PowerShell code locally in your browser.

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DKIM Checker

What it does: Look up a DKIM selector and inspect the published public-key TXT record. Runs directly from Toolardo without a commercial lookup API.

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DMARC Checker

What it does: Look up a domain’s DMARC record and inspect policy, reporting and alignment tags. Runs directly from Toolardo without a commercial lookup API.

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DNS Lookup

What it does: Look up DNS records directly with the server DNS resolver. Query A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records without a commercial DNS API.

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DOCX to HTML

What it does: Convert Word DOCX files to clean semantic HTML in your browser. Preview sanitized output and download HTML without uploading the document.

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Favicon Generator

What it does: Use Favicon Generator directly in your browser. Processing happens locally on your device.

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Find & Replace

What it does: Use Find & Replace directly in your browser. Processing happens locally on your device.

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GraphQL Formatter

What it does: Use GraphQL Formatter directly in your browser. Processing happens locally on your device.

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Grep Text Filter

What it does: Use a browser-based grep simulator to find matching lines, invert the match, show line numbers or context, and download the final text without uploading your file.

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Hash Generator

What it does: Generate SHA-256, SHA-512, SHA-384, SHA-1 or MD5 hashes from text locally in your browser. Copy checksums without uploading your input.

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HMAC Generator

What it does: Use HMAC Generator directly in your browser. Processing happens locally on your device.

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HSTS Checker

What it does: Inspect a website’s Strict-Transport-Security header, max-age and optional directives. Runs directly from Toolardo without a commercial lookup API.

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HTML Formatter

What it does: Format HTML markup into a readable indented structure directly in the browser. Processing stays in your browser.

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HTML Minifier

What it does: Compact HTML by removing safe-to-remove comments and whitespace while protecting preformatted blocks. Processing stays in your browser.

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HTTP Headers Checker

What it does: Inspect the response headers returned by a public HTTP or HTTPS URL. Runs directly from Toolardo without a commercial lookup API.

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HTTP Status Checker

What it does: Check a public URL’s HTTP status code, response time and key response details without following redirects. Runs directly from Toolardo without a commercial lookup API.

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Is Website Down?

What it does: Check whether a website is reachable directly from Toolardo. See HTTP status, response time, resolved IP and TLS problems without a website-status API.

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JavaScript Formatter

What it does: Format and beautify JavaScript code with readable indentation and line wrapping directly in your browser. Processing stays in your browser.

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JavaScript Minifier

What it does: Minify JavaScript in your browser to reduce source size for production or testing. Processing stays in your browser.

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JSON / XML to Table Converter

What it does: Turn JSON or XML into a readable table in your browser. Flatten nested fields, preview rows, copy TSV or download CSV without uploading data.

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JSON Diff

What it does: Compare JSON values and inspect added, removed and changed fields by path. Ignore object key order and download the difference report.

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JSON Formatter

What it does: Use JSON Formatter directly in your browser. Processing happens locally on your device.

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JSON Minifier

What it does: Validate and minify JSON to its compact representation with no unnecessary whitespace. Processing stays in your browser.

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JSON Validator

What it does: Use JSON Validator directly in your browser. Processing happens locally on your device.

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JSON ↔ CSV

What it does: Use JSON ↔ CSV directly in your browser. Processing happens locally on your device.

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JSON ↔ XML Converter

What it does: Convert JSON to XML or XML to JSON locally in your browser. Pretty-print output, preserve nested data and download the result without uploading your input.

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JSON ↔ YAML

What it does: Use JSON ↔ YAML directly in your browser. Processing happens locally on your device.

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JWT Decoder

What it does: Use JWT Decoder directly in your browser. Processing happens locally on your device.

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Line Sorter

What it does: Use Line Sorter directly in your browser. Processing happens locally on your device.

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Markdown Formatter

What it does: Normalize Markdown spacing, wrapping and structure for cleaner README and documentation files. Processing stays in your browser.

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Markdown Preview

What it does: Use Markdown Preview directly in your browser. Processing happens locally on your device.

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Markdown to HTML

What it does: Use Markdown to HTML directly in your browser. Processing happens locally on your device.

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Meta Tag Checker

What it does: Extract a page title, description, canonical URL, robots directives, language, viewport and hreflang tags. Runs directly from Toolardo without a commercial lookup API.

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MIME Type Finder

What it does: Use MIME Type Finder directly in your browser. Processing happens locally on your device.

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MX Lookup

What it does: Inspect a domain’s mail exchanger (MX) records, priorities and TTL values. Runs directly from Toolardo without a commercial lookup API.

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No-Code Regex Processor

What it does: Build flexible regex-style selection and editing rules in plain language. Select exact matches or regions, add local conditions, transform them and download the final text file without writing regex.

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Open Graph Checker

What it does: Inspect Open Graph and X/Twitter Card metadata and preview the main social-sharing fields. Runs directly from Toolardo without a commercial lookup API.

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Port Checker

What it does: Check whether a TCP port on a public domain or IP accepts connections. See the resolved public IP and connection time.

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Redirect Checker

What it does: Trace HTTP redirects hop by hop while validating every destination against private-network access. Runs directly from Toolardo without a commercial lookup API.

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Repository Architecture Analyzer

What it does: Repository ZIP dosyasını veya yerel proje klasörünü tarayıcıda analiz edin. Teknolojileri, manifestleri, giriş noktalarını ve bileşen ilişkilerini bulun; kaynak kodu yüklemeden SVG, Mermaid veya JSON raporu alın.

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robots.txt Checker

What it does: Fetch and inspect a site’s robots.txt directives, user agents and sitemap declarations. Runs directly from Toolardo without a commercial lookup API.

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Security Headers Checker

What it does: Inspect common browser security headers such as CSP, HSTS, X-Content-Type-Options and Referrer-Policy. Runs directly from Toolardo without a commercial lookup API.

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Sed Text Editor

What it does: Use a browser-based sed simulator for substitutions, deletions, line addressing and simple sed scripts. Your text stays in the browser and the edited file can be downloaded.

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Sitemap Checker

What it does: Fetch and parse an XML sitemap or sitemap index and summarize its declared URLs. Runs directly from Toolardo without a commercial lookup API.

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SPF Record Checker

What it does: Find and parse SPF TXT records, mechanisms, qualifiers and common configuration signals. Runs directly from Toolardo without a commercial lookup API.

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SQL Formatter

What it does: Use SQL Formatter directly in your browser. Processing happens locally on your device.

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SSL Certificate Checker

What it does: Inspect a website TLS certificate directly from its server. Check expiry, issuer, subject, SAN hostnames, SHA-256 fingerprint and negotiated TLS details without an SSL API.

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SVG ↔ Data URI

What it does: Use SVG ↔ Data URI directly in your browser. Processing happens locally on your device.

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Table to JSON / XML Converter

What it does: Paste a table, CSV or TSV and convert it to JSON and XML locally in your browser. Auto-detect delimiters, use the first row as headers, preview rows, copy or download outputs.

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Text Diff

What it does: Compare two texts side by side or in unified view. Highlight changed lines and characters, open files and download a difference report.

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TypeScript Formatter

What it does: Format TypeScript code into consistent, readable source without uploading it to a server. Processing stays in your browser.

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User-Agent Parser

What it does: Use User-Agent Parser directly in your browser. Processing happens locally on your device.

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UUID Generator

What it does: Use UUID Generator directly in your browser. Processing happens locally on your device.

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What Is My IP / IP Lookup

What it does: See your public IP or inspect any IP address. Check approximate country, registered network, Internet registry, IP version and reverse DNS without a commercial geolocation API.

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WHOIS / RDAP Lookup

What it does: Look up domain registration data using IANA WHOIS referrals and the official IANA RDAP bootstrap registry. Queries go to authoritative registry services, not a commercial WHOIS API.

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XML Formatter

What it does: Validate and pretty-print XML with indentation while preserving text and CDATA content. Processing stays in your browser.

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XML Minifier

What it does: Validate XML and remove non-semantic formatting whitespace for a compact document. Processing stays in your browser.

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YAML Formatter

What it does: Format YAML documents with consistent layout while keeping the source in your browser. Processing stays in your browser.

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Agriculture & Farming86

AUDPC Calculator

What it does: Calculate area under the disease progress curve by the trapezoidal method from time-severity observations.

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ET₀ Calculator – FAO56

What it does: Estimate daily reference evapotranspiration with the FAO-56 Penman–Monteith equation using temperature, humidity, radiation, wind and elevation.

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Field Area Calculator

What it does: Calculate field area for rectangular, triangular, circular or trapezoidal plots and convert it to hectares and acres.

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Markdown Tools3

WYSIWYG → HTML

What it does: Type and format your document in the visual editor. Copy the output or download it as a file.

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Chemistry36

2D Molecule Sketcher

What it does: Draw chemical structures in a browser-based 2D molecule editor and get a live SMILES string while you edit.

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Limiting Reagent Calculator

What it does: Find the limiting reagent from a balanced reaction and reactant amounts, then calculate product theoretical yields and leftover reactants.

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MOL2 to PDB Converter

What it does: Convert single or bulk MOL2 structures to PDB locally, preserving atom coordinates and connectivity where possible.

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Molarity Calculator

What it does: Calculate molarity from mass or moles and solution volume, or calculate the solute mass needed for a target molarity.

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Nernst Equation Calculator

What it does: Calculate a non-standard electrochemical cell or electrode potential from E°, electron count, reaction quotient and temperature.

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pH / pOH Calculator

What it does: Convert among pH, pOH, hydrogen-ion concentration and hydroxide-ion concentration using Kw = 1.0×10⁻¹⁴ at 25 °C.

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SMILES Viewer

What it does: Render a SMILES string as a 2D structure and generate an interactive 3D conformer locally in your browser.

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Stoichiometry Calculator

What it does: Balance a reaction and convert a known reactant or product amount into moles and grams of another species using stoichiometric coefficients.

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Math5

Fraction Calculator

What it does: Calculate fractions exactly, simplify them, convert finite decimals to fractions, decimals and percentages, and view mixed-number results. Runs locally with BigInt.

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GPA Calculator

What it does: Calculate credit-weighted semester GPA, project cumulative GPA, and estimate the average needed for a target GPA using 4.0, 5.0, 10.0 or custom scales.

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Grade Calculator

What it does: Calculate a weighted course grade, normalize completed work, find the score needed on remaining weight for a target grade, and run what-if projections.

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Graphing Calculator

What it does: Plot sin(x), exp(-x²), polynomials and multiple functions on an interactive local graph. Zoom, pan, set axes and export PNG.

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Scientific Calculator

What it does: Use a safe browser scientific calculator for trigonometry, logs, roots, powers, factorials, percentages, nCr and nPr. DEG/RAD modes and local history included.

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Bioinformatics25

FASTQ to FASTA Converter

What it does: Convert single-line or wrapped FASTQ records to clean FASTA with selectable line width without uploading sequence data.

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Genome GC Skew Analyzer

What it does: Calculate cumulative G−C skew, locate minimum and maximum positions, and visualize the skew across a DNA sequence.

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Health & Fitness12

Human Energy Expenditure Calculator

What it does: Estimate activity calories from body mass, load, distance or steps, duration and elevation while also separating mechanical m·g·h work from metabolic expenditure.

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Stairs Calories Calculator

What it does: Estimate calories from stair climbing with 2024 Compendium MET levels and calculate total vertical gain plus mechanical m·g·h work.

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TDEE Calculator

What it does: Estimate total daily energy expenditure from Mifflin–St Jeor resting energy and a selectable activity multiplier.

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Statistics32

Box Plot Maker

What it does: Create a box-and-whisker plot with five-number summary, IQR fences and detected outliers.

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Histogram Maker

What it does: Create a responsive histogram from numeric data using Sturges, square-root, Freedman–Diaconis or a custom bin count.

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Outlier Calculator

What it does: Find possible outliers with the Tukey 1.5×IQR rule and report quartiles and lower/upper fences.

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Paired T-Test Calculator

What it does: Run a paired t-test on matched observations with paired mean difference, confidence interval and standardized effect size.

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Sample Size Calculator

What it does: Estimate minimum sample size for a proportion or mean from confidence level, margin of error and expected variability.

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Statistical Power Calculator

What it does: Estimate one-sample or two-sample power from standardized effect size, sample size and alpha using a transparent normal approximation.

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Venn Diagram Generator

What it does: Build a 2-set or 3-set Venn diagram from item lists and calculate unique regions, intersections and union size.

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Z-Score Calculator

What it does: Calculate a z-score from a value, mean and standard deviation and view cumulative and upper-tail normal probabilities.

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Advanced Scientific Tools2
Academic4

Citation DOI Checker

What it does: Paste a bibliography to extract DOI names from mixed citation styles, verify them against the DOI Handle System, and isolate references that need manual checking.

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DOI Metadata & Citation Generator

What it does: Enter a DOI to fetch article metadata and instantly generate APA, AMA, MLA, Chicago, Harvard, IEEE and Vancouver citations. Uses the official DOI resolver; no commercial API key required.

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Exam Seating Plan Generator

What it does: Assign students to exam rooms and seats, separate classes or groups, reserve front seats, block unusable desks, and print seating charts and door lists. CSV and Excel support; all data stays in your browser.

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Finance5

Market Data Downloader

What it does: Tarihsel kripto para OHLCV piyasa verilerini doğrudan tarayıcınızda CSV veya JSON olarak indirin. Bitcoin, Ethereum ve diğer varlıklar için temiz, tahmine hazır zaman serileri oluşturun.

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Real Return Calculator

What it does: Calculate purchasing-power-adjusted profit from purchase price, sale price and inflation or Big Mac price changes.

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Tip Calculator

What it does: Calculate tip, total bill and amount per person instantly. Choose a tip percentage and split the bill between any number of people.

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Fun & Puzzles3

Maze Generator & Game

What it does: Generate a random seeded maze, play it with keyboard or touch, reveal the shortest route, print, export PNG or share the exact maze.

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Word Search Puzzle Generator

What it does: Generate a fresh word-search from random public-domain English words or use your own list. Choose size and directions, play, reveal, print or export PNG.

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Utility28

Advanced CV Builder

What it does: Build an English resume in your browser, run a rough rules-based ATS check, and download your selected design as editable Word or searchable PDF.

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Broken QR Code Repair

What it does: Recover an unreadable or damaged QR code in your browser with manual reconstruction, forced decoding and Reed–Solomon error correction.

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Central Bank Reserves by Country

What it does: Compare annual international reserves across countries: total reserves including gold, reserves excluding gold, estimated monetary-gold component, gold/non-gold composition and months of imports.

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Character Counter

What it does: Count characters with and without spaces, words, sentences, lines, paragraphs and UTF-8 bytes instantly.

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Currency Converter

What it does: Convert currencies with current exchange rates. Fiat rates refresh hourly; supported crypto pairs can use live multi-exchange market quotes from public APIs.

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Link Extractor

What it does: Extract URLs from pasted text, hide unwanted domains, remove duplicates, sort results and copy the remaining links. Everything runs locally in your browser.

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Loan Payment Calculator

What it does: Calculate loan payments from principal, interest rate and term. See monthly payment, total interest, total repayment and an amortization schedule locally in your browser.

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Morse Code Translator

What it does: Translate text to Morse code or decode Morse code to text online. Play Morse audio and copy the result instantly.

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P2P File Transfer

What it does: Send files directly between browsers with an encrypted sharing link. No file uploads to Toolardo, no signup. Keep both tabs open until the transfer finishes.

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Password Generator

What it does: Generate strong random passwords locally with the Web Crypto API. Choose length and character sets; generated passwords never leave your browser.

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Percentage Calculator

What it does: Calculate percentages, percentage increase/decrease, change and difference. Solve what X% of Y is or what percent one number is of another.

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QR Code Generator

What it does: Create custom QR codes with colors, gradients, shapes and logos directly in your browser, then download PNG or SVG files.

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Text to ASCII Art

What it does: Turn text into large ASCII art banners. Adjust characters, scale, spacing, shadow and alignment, then copy or download TXT, SVG or PNG.

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Time Zone Converter

What it does: Convert a date and time between world time zones using browser IANA time-zone data, including daylight-saving rules.

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Typing Speed Test

What it does: Test typing speed with WPM, accuracy and errors using localized practice passages or your own pasted text. Choose 15 seconds, 30 seconds, 1 minute or 2 minutes.

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Unit Converter

What it does: Convert length, area, mass, volume, temperature, speed, time, pressure, energy, power, data, frequency, angle, force and acceleration instantly in your browser.

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Cheminformatics3

Quick answers

Is Toolardo free?

Yes. The current tools are free to access. A future Pro tool will be marked clearly before you use it.

Does every tool upload files?

No. Many tools work inside the browser and keep supported files on the device. Tools that need a server or network request explain that behavior on their own page.

Do I need to install anything?

Usually no. Open the relevant tool in a modern browser and follow the instructions on its page.