Those Boring Tools
Text ToolsPrivate by design

Text Diff Checker

Paste two versions of text to see exactly which lines were added, removed, or changed between them.

How to use this tool

  1. 1Paste the original text on the left and the modified text on the right.
  2. 2Differences are highlighted automatically, line by line.
  3. 3Added lines are highlighted green, removed lines red.

Frequently asked questions

Does this compare word-by-word or line-by-line?+

This tool compares text line by line, which works well for comparing paragraphs, code, or config files.

Is my text uploaded to a server?+

No, the comparison runs entirely in your browser using JavaScript.

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