Text Diff
Compare two texts line by line and highlight additions and deletions for documents and configuration.
FreeBrowserAbout Text Diff
Compare two text blocks and inspect highlighted additions and removals. Use the difference view to review a configuration change, rewritten paragraph or code snippet.
When to use this tool
- Review a configuration change.
- Compare two versions of a short document.
Limits to know before using it
This compares text, not meaning or runtime behavior. It does not merge changes, validate code or establish which version is correct.
Data handling and cost
The main operation runs in your browser; tool input is not uploaded for processing. The site can still use session cookies and collect operational or usage data as described in the privacy policy.
Free to use in your browser, with no sign-in needed.
Frequently Asked Questions
The tool uses a line-by-line diff algorithm similar to the Unix diff command. Added lines are highlighted in green, removed lines in red, and unchanged lines are shown in grey for context.
No. The diff runs entirely in your browser. Your text is never sent to any server.
Yes. Paste any text content — code, prose, config files — into the two panels. The diff is purely text-based and works with any language or format.