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Text Diff Checker Online Free

Compare two texts and highlight differences side by side.

Files never uploadedInstant results100% freeWorks on mobile

How to Use

  1. 1Paste the original text into the left textarea.
  2. 2Paste the modified text into the right textarea.
  3. 3View the highlighted differences below: green for additions, red for removals.

Frequently Asked Questions

How are differences highlighted?

Added lines are shown in green, removed lines in red, and unchanged lines in neutral gray.

Is line-by-line comparison used?

Yes. The tool compares line by line. Lines that don't match are marked as added or removed.

Is my text stored?

No. All comparison happens in your browser. Your text never leaves your device.

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