Code Compare
Visualize text differences with side-by-side or unified diffs—nothing ever leaves your browser.
Comparison Settings
Original Code
Modified Code
Side-by-Side View
Compare changes with a clear side-by-side visualization. See exactly what was added, removed, or changed.
Smart Diff Algorithm
Industry-standard diff algorithm with options to ignore whitespace and case for flexible comparison.
Local Processing
All comparisons happen locally in your browser. Your code never leaves your device - completely private.