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Text Diff

Compare text or code locally with line, word, and character highlighting, split and unified views, change merging, and Patch export.

Before1 lines
After1 lines
Diff result+0-00 change blocks
No changes
Enter two texts above to start comparing

About Text Diff

Spot text and code changes instantly. Compare text or code locally with line, word, and character highlighting, split and unified views, change merging, and Patch export. The core workflow is designed to run in your current browser.

Key capabilities

  • Live comparison with line locations
  • Line, word, and character comparison
  • Apply either side one change at a time
  • Copy or export a standard Patch file

Useful for

  • Code changes and configuration review
  • Environment configuration and log comparison
  • Copy revisions and version proofreading

Frequently asked questions

Is Text Diff free to use online?

Yes. Text Diff opens in a modern browser and does not require desktop software installation.

What is Text Diff useful for?

Common use cases include Code changes and configuration review; Environment configuration and log comparison.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Live comparison with line locations, Line, word, and character comparison, Apply either side one change at a time; account, comments, and anonymous analytics may still create normal site requests.

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