Is Text Diff Tool free?

Yes. Text Diff Tool runs entirely in your browser. No data is uploaded or stored.

Does Text Diff Tool work offline?

Yes. Once loaded, Text Diff Tool works fully offline except for the QR code generator which uses a pinned CDN with SRI.

Local-only · nothing leaves your browser

How do I compare two text blocks side by side?

Paste two texts to see a character-level diff with additions highlighted in green and deletions in red. Great for comparing code snippets, config files, or any text. Runs entirely in your browser.

Original

Modified

Diff result

Paste both texts and click Compare...

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F.A.Q. — Questions, answered

What is Text Diff Tool?Paste two texts to see a character-level diff with additions highlighted in green and deletions in red. Great for comparing code snippets, config files, or any text. Runs entirely in your browser.
Is Text Diff Tool free?Yes. Text Diff Tool runs entirely in your browser. No data is uploaded or stored.
Does Text Diff Tool work offline?Yes. Once loaded, Text Diff Tool works fully offline except for the QR code generator which uses a pinned CDN with SRI.

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