Browser-side inputs stay in your browser. Network checks send only the public target needed to perform the requested check, and SiteIndex does not require an account.

Can I use this tool on a phone?

Yes. The page is responsive and the tool works in current mobile browsers, subject to the browser and network limitations described above.

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Text Diff

Compare two text blocks and highlight the exact additions, removals, and changes between versions.

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Text Diff

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What is Text Diff?

Compare two text blocks and highlight the exact additions, removals, and changes between versions.

How it works

Enter the relevant developer input, run the tool, and review the result shown on this page.

Where a network request is required, SiteIndex validates public HTTP/HTTPS targets before making the request.

Common uses

Check or transform text diff output.
Troubleshoot a practical website, network, developer, or utility task.
Review a result before sharing or publishing it.

Limitations

Results depend on the browser, network, input, and external service involved.
This tool is informational and does not replace specialist diagnostics or professional advice.

FAQ

What does Text Diff do?: Compare two text blocks and highlight the exact additions, removals, and changes between versions.
Is my data stored?: Browser-side inputs stay in your browser. Network checks send only the public target needed to perform the requested check, and SiteIndex does not require an account.
Can I use this tool on a phone?: Yes. The page is responsive and the tool works in current mobile browsers, subject to the browser and network limitations described above.

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