Compare two texts (diff)

Compare two texts (diff): diff for text—free, in-browser.

Compare two texts (diff) runs diff on plain text—handy for logs, posts, and drafts. Everything runs in your browser; nothing is uploaded to our servers.

How to use

Paste source text into Compare two texts (diff).
Run the transform and scan the output panel.
Copy the result back to your editor.

FAQ

Does Compare two texts (diff) store my text?

No server storage—processing happens only while the tab is open.

Is there a length limit for Compare two texts (diff)?

Very large pastes may slow mobile browsers; split huge files if needed.

Embed this calculator

Paste the snippet on your site or blog — the widget stays responsive inside the iframe.

<iframe src="https://lagnis.com/tools/text-diff-viewer/embed/" title="Compare two texts (diff)" loading="lazy" style="width:100%;max-width:640px;min-height:420px;border:0;border-radius:12px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

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