Paste the original version of your text in the Original text text area.
Paste the changed or updated version in the Changed text text area.
Click Compare Texts to run the word-level diff algorithm on both versions.
View the differences highlighted in green (added text) and red strikethrough (removed text), plus a summary of changes.
All processing happens locally. Your text/data never reaches any server.
Results appear instantly as you type or paste. No page reloads needed.
No sign-ups, no limits, no watermarks. Use it as much as you want.
Responsive design works on desktop, tablet, and mobile browsers.
It uses the word-level diff algorithm to compare the two texts and highlights what was added (green) or removed (red strikethrough) between versions.
Yes, each text is limited to 100,000 characters to ensure fast and reliable comparison performance without overloading the browser.
For documents over 100,000 characters, split them into smaller sections and compare each part separately for best results.