How does the diff algorithm work?

The tool compares texts line by line, highlighting added (green), removed (red), and unchanged lines — similar to how Git shows diffs.

Text Diff Checker

Paste two blocks of text to see a detailed comparison with additions, deletions, and modifications highlighted. Perfect for comparing code revisions, document versions, or any two texts.

Frequently Asked Questions

How does the diff algorithm work?: The tool compares texts line by line, highlighting added (green), removed (red), and unchanged lines — similar to how Git shows diffs.

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