Text Diff Checker
Compare two texts and highlight the differences. See what was added, removed, or changed.
Features
Multiple Modes
Compare by word, line, or character to find exactly what changed.
Color Coded
Green for additions, red for deletions. Easy to spot changes at a glance.
Flexible Options
Ignore case sensitivity or whitespace differences for focused comparisons.
100% Private
Comparison happens in your browser. No text is sent to any server.
Frequently Asked Questions
Word by word: Compares text word by word, showing which words were added or removed. Best for document comparisons.
Line by line: Compares entire lines, showing which lines were added, removed, or changed. Best for code or structured text.
Character by character: Shows the exact characters that differ. Best for finding typos or small changes.
There's no hard limit, but very large texts (over 100,000 characters) may take longer to process and could slow down your browser.
Yes! Use line-by-line mode for the best code comparison experience. The tool preserves whitespace and formatting.