Text Diff Checker

Compare two text blocks and highlight additions or removals.

YOUR WORKSPACEWord diff · Line diff
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Find instructions, helpful tips, and FAQs below.

Review copy edits, documentation changes, content revisions and small text updates before publishing or sharing them.

  • Word diff
  • Line diff
  • Sentence diff
  • Copy and download output

Compare content revisions

Paste an original and updated version to quickly see what was added, removed or left unchanged.

Switch comparison levels

Use word comparison for copy edits, line comparison for logs or lists and sentence comparison for paragraph-level review.

Useful for publishing checks

Review landing page copy, documentation changes and SEO text edits before sending them live.

Private browser-based comparison

Text is compared with local browser-safe diff logic, so drafts, notes and internal copy do not need to be uploaded to a server.

Frequently asked questions

It compares two pasted text blocks and highlights added, removed and unchanged parts.

Yes. You can compare by words, lines or sentences depending on the kind of text you are reviewing.

Yes. The tool can copy or download a plain-text diff with added and removed lines marked.

No. The tool runs in your browser, so pasted text is processed locally on your device.

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