Text Diff Checker

Highlight additions and deletions between two versions of text.

Compare two texts side by side.

How to use

  1. Paste the original text in the first field.
  2. Paste the revised text in the second field.
  3. Run the diff comparison.
  4. Review highlighted additions and deletions.

About Text Diff Checker

Compare two texts side by side.

Runs in your browser — your files and input stay on your device.

Frequently asked questions

Is comparison done locally?

Yes.

Can I compare code or prose?

Any plain text works.

Are texts stored?

No.

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Easy Toolkits

Free online tools for converting, calculating, editing, and generating — right in your browser.

© 2026 Easy Toolkits. All tools run locally in your browser when possible.