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Why this runs on your computer

There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

Venn diagram maker: list the items, it sorts the overlaps

List what is in each set and get a Venn diagram with the overlaps filled in - here in this tab, with nothing uploaded.

How to make a venn diagram

Write one set per line: its name, a colon, then its items separated by commas.
The items each set shares land in the overlaps automatically.
Save the diagram as PNG or SVG.

Why this one stays private

Venn diagrams are mostly homework, lesson plans and brainstorms. This one is made in your browser: nothing you type is sent anywhere or saved.

Questions

Do I have to work out what goes in the middle?

No. List each set's items and anything that appears in two or three lists is placed in the right overlap. Matching ignores capital letters.

Can I use numbers instead of items?

Yes: 'Readers: 120', 'Writers: 80' and 'Readers & Writers: 30'. The overlap numbers are totals, and the 'only' parts are calculated from them.

Can it do four circles?

No - four circles cannot show every combination of overlaps. Two or three sets is what a Venn diagram can draw honestly.

What can I save it as?

PNG at twice the screen size, for documents and slides; SVG, a vector file that stays sharp at any size and opens in Illustrator, Figma, Inkscape or PowerPoint; or copy the image and paste it straight into a doc or a chat.

Is it free? Is there a watermark?

It is free, with no sign-up and no watermark. The saved image is yours to use anywhere.

How to make a venn diagram

Why this one stays private

Questions

Other tools here