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DevTools24

Diff Viewer

Compare two text or code blocks side by side with visual highlighting of differences. Perfect for code reviews, document comparison, and tracking changes between versions.

Tool Features

  • Side-by-Side: Compare texts in a clean side-by-side layout
  • Visual Highlighting: Color-coded differences (green=added, red=removed)
  • Line Numbers: Optional line numbering for easy reference
  • Whitespace Options: Choose to ignore or include whitespace differences
  • Statistics: View counts of additions, deletions, and modifications
  • Swap Texts: Quickly switch left and right text blocks

Perfect For

  • Code reviews and pull request analysis
  • Comparing different versions of documents
  • Finding changes between configuration files
  • Analyzing API response differences
  • Checking script or markup modifications
  • Educational purposes for learning version control

Color Legend

Added lines (green)
Removed lines (red)
Unchanged lines

Pro Tips

  • Use "Load Example" to see how the diff viewer works
  • Toggle "Ignore whitespace" when comparing formatted code
  • Use line numbers for precise reference when discussing changes
  • Copy individual text blocks using the copy buttons
  • Swap texts quickly to change perspective on differences
  • All comparison happens locally - no data sent to servers