Text Diff Checker — Free Online
Enter two texts and click Compare to highlight differences with color.
Original Text
Compare Text
Frequently Asked Questions
Q. How does the diff comparison work?
The tool highlights added text in green and removed text in red, making differences easy to spot.
Q. Can I compare large texts?
Yes. All processing is done in your browser, so there is no file size limit.
Q. Is my text sent to a server?
No. All comparison happens locally in your browser. Your text never leaves your device.