How it works
- 1Choose or drop the requested media file or files.
- 2Adjust the available output settings.
- 3Run the tool, preview the result and download it.
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BROWSER · FFmpeg WebAssembly · local browser
Add Audio to Video
Replace a video soundtrack or mix a new audio file with the existing sound.
✓ Files never leave your device✓ Shared local FFmpeg WebAssembly engine✓ No account or Toolardo watermark
About this tool
Replace a video soundtrack or mix a new audio file with the existing sound.
Common uses
replace video audiomix audio with videovideoya ses ekleconvert add audio to video
Frequently asked questions
Are my files uploaded?
No. Processing happens in private browser memory and files are not sent to Toolardo.
Why can the first run take longer?
The shared FFmpeg WebAssembly engine is downloaded once and normally cached for later media tools.