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Text diff

Compare two text snippets side by side. Line, word, or character diff with additions and deletions highlighted.

Mode
+ 0 added0 removed1 unchanged
11

Features

How it works

  1. Paste the original text on the left and the changed text on the right.
  2. Choose line, word or character granularity — additions and deletions are highlighted instantly.
  3. Read the additions, deletions and unchanged counts, or swap the two sides to flip the comparison.

Your files never leave this page

Every conversion runs entirely in your browser using WebAssembly. There is no upload, no server-side processing, no analytics, and no cookies. Open DevTools → Network during the operation and you will see zero outbound traffic.

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