Text Diff Checker
Compare two texts — locally in your browser.
Tool
Paste your input and get output instantly. Everything stays in your browser.
Added
Removed
Unchanged
Tip
Character-level diff: single-letter changes highlight only that letter.
✓ Runs locally
✓ No uploads
✓ No tracking
What the tool does
Compares two texts and highlights exact character-level changes.
When to use it
Great for code reviews, content changes, and config comparisons.
Quick example
See exactly which characters changed between two versions.
Security / privacy
Text never leaves your browser.