ClickSail
ClickSail

Text Diff Checker

Compare two texts and see differences.
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Works well with

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How to use

How to use Text Diff Checker

See exactly what changed between two versions — ideal for contracts, code snippets, or edited drafts.

  1. Paste the original text in the left panel.

  2. Paste the revised text in the right panel.

  3. Review highlighted additions and deletions, then copy either side.

Common questions

Does it work line-by-line or character-by-character?

The diff highlights changes at the line and word level so edits are easy to spot in longer documents.

Can I compare code or JSON?

Yes. Any plain text works — many developers use it for config files and API payloads.

Is either version stored?

Both inputs stay on your device. Nothing is logged or uploaded.

Runs in your browser · Your input is never uploaded · Free with no account