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Text Diff

Compare two texts line by line, right in your browser

chromeedgebraveoperafirefox🔒 Zero telemetryVersion 1.0.0
Download the extension for ChromeDownload the extension for Firefox

Description

Paste two texts, configs or logs and get a side-by-side, line-by-line comparison: additions, removals and unchanged lines highlighted in color. Pure LCS algorithm with 'ignore whitespace' and 'ignore case' options, line numbers for both sides, +/−/= stats and unified-style diff copy. 100% offline, no data ever leaves your browser.

Features

  • Side-by-side, line-by-line diff with add/del/eq highlighting
  • LCS algorithm built from scratch, no external libraries
  • 'Ignore whitespace' option (trim + collapse spaces) for robust comparison
  • 'Ignore case' option for case-insensitive comparison
  • Line numbers for original and modified + +/−/= stats
  • Copy diff in unified format (+/−), plus quick swap/clear
  • 100% offline, zero telemetry, works on text, configs and logs

Privacy

100% local processing in your browser. Zero telemetry: no data is sent to external servers.

Required permissions

  • clipboardWrite

Screenshots

Text Diff

Supported browsers

chromeedgebraveoperafirefox