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📋 Diff Tool

Compare two texts and highlight the differences.

All processing happens locally in your browser. No data is sent to any server. GDPR/DORA compliant.

Ignore whitespace Ignore case Show line numbers

Original Text

Modified Text

Diff Reference

Color Legend

Red / Strikethrough - Removed
Green - Added
Gray - Unchanged

Unified Diff Format

--- Original file header
+++ Modified file header
@@ Chunk header
- Line removed
+ Line added

Tips

Ignore whitespace for code diffs
Ignore case for text comparison
Use unified diff for patches
Upload files for larger texts

Algorithm

Uses Longest Common Subsequence
Line-by-line comparison
Character-level highlighting
Optimized for performance