Diff Checker

Compare two texts and see the differences highlighted. Find additions, deletions, and changes.

Free Runs in your browser Developer Tools

How to use

  1. 1 Enter the URL, text, or value you want to check
  2. 2 Click the Analyze or Run button
  3. 3 Review the detailed results shown below
  4. 4 Use the results to diagnose or improve your content

Key features

  • Works directly in your browser, no data sent to any server
  • Free to use, no account or sign-up required
  • Instant results — no waiting or processing delays
  • Mobile-friendly, works on any device