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Text comparer

Compare two texts and get a line-based diff plus an overall similarity score.

Enter Left text, Right text, Ignore case, Ignore trailing whitespace, and Show unchanged lines to calculate Summary, Diff, and Similarity. Results update instantly as you type. Try an example preset to sanity-check the tool.

Inputs

Treat 'A' and 'a' as equal.
Ignore spaces/tabs at end of lines.
When off, show a few lines of context around changes.
Examples
About this tool
  • Inputs: Left text, Right text, Ignore case, Ignore trailing whitespace, Show unchanged lines
  • Outputs: Summary, Diff, Similarity
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