Text Diff
Compare two texts side by side and highlight differences
Paste text in both panels and click Compare
Shortcut: press Ctrl+Enter (Windows/Linux) or Cmd+Enter (macOS) in either input to compare. All processing happens locally in your browser. No data is sent to any server.
Text Diff FAQ
How is the diff calculated?
The tool compares text line-by-line and marks added, removed, and unchanged lines.
Can I ignore whitespace or case?
Yes, options are available to ignore whitespace, case, and leading/trailing differences.