What diff algorithm does this use?

It uses the Myers diff algorithm, the same algorithm behind git diff. It finds the minimal set of changes between two texts.

Is my data sent to a server?

No. All comparison happens locally in your browser. Your text never leaves your device.

What diff algorithm does this use?

It uses the Myers diff algorithm, the same algorithm behind git diff. It finds the minimal set of changes between two texts.

Is my data sent to a server?

No. All comparison happens locally in your browser. Your text never leaves your device.

Free

Text Diff

Compare two texts side by side and see exactly what changed. Additions, deletions, and unchanged lines are highlighted.

100% FreeNo Signup RequiredRuns in Your Browser

Original

Modified

About Text Diff

Paste two versions of text and instantly see a line-by-line diff with additions, deletions, and unchanged lines highlighted. Useful for comparing config files, code snippets, API responses, or any text content. Runs entirely in your browser.

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