Text Diff

Runs locally

Compare two texts line by side, with additions, deletions and changes highlighted and totaled.

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This tool runs locally in your browser — your content is never uploaded to a server.

How to use

  1. 1.Paste the original text in the left column and the modified text in the right.
  2. 2.Click “Compare” — differences are color-coded as added, removed or changed at a glance.
  3. 3.Check the “N differences” total and review each change line by line.
  4. 4.Click “Swap” to reverse the two columns and compare again, or “Clear” to start over.

FAQ

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