I need to generate Venn Diagram

Venn Diagram Generator

Added 2026-08-29Updated 2026-10-03

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

✓ Runs locally in your browser✓ No account or dataset upload required✓ Effect sizes / uncertainty shown where appropriate

Diagram

Set A itemsSeparate items with commas, semicolons or new lines.

Set B itemsSeparate items with commas, semicolons or new lines.

Set C items (3-set mode)Separate items with commas, semicolons or new lines.

Union size

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All-set intersection

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Region summary

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Statistical output is a calculation aid. Check assumptions, study design and reporting requirements before drawing scientific conclusions.

About this tool

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

Common uses

venn diagram maker2 set venn diagram3 set venn diagramset intersection calculator

How it works

1Enter or paste the requested sample values, summary inputs or contingency data.
2Choose the method, confidence level or test options when available, then run the calculation.
3Review the estimate/test statistic together with p-value, confidence interval, effect size and method notes where available.

Does this statistics calculation upload my data?

No. Entered values are processed locally in your browser with JavaScript.

Should I interpret statistical significance by itself?

No. Review effect size, confidence intervals, study design, assumptions, sampling and multiplicity together with the p-value.