Text Diff
Compare two texts and instantly see what’s different. Line-by-line highlighting.
Instant
Line-by-Line
Private
Features
Line-by-Line Diff
Compares texts line by line and highlights additions, deletions, and unchanged content.
Two View Modes
Unified view shows all changes in one column. Side-by-side shows both texts with aligned diffs.
Change Statistics
See how many lines were added, removed, and unchanged at a glance.
100% Private
Your text never leaves your browser. No server uploads, no storage.
Pro Tips
- ●Great for comparing code, configs, API responses, or any text documents.
- ●Use “Swap” to quickly reverse which text is original vs. modified.
- ●The diff algorithm uses the Longest Common Subsequence (LCS) method for accurate results.