Text Diff Checker
Compare two texts and see differences highlighted. Side-by-side or unified view with word-level diff. Free, instant, 100% private.
About Text Diff Checker
📝 Smart Diff
Uses Myers diff algorithm for accurate line-by-line comparison. Optional word-level highlighting shows exactly what changed within each line.
👁️ Dual Views
Unified view shows all changes in one pane with +/- markers. Side-by-side view shows original and new text with changes highlighted.
📊 Change Stats
See counts of additions, deletions, and modifications at a glance. Know exactly how much changed between versions.
🔒 100% Private
Comparison happens entirely in your browser. Your text never leaves your device. No server uploads, no tracking.