What does the diff highlight?
Added text is shown in green and removed text in red.
Text Diff Checker
Compare two texts and highlight the differences instantly using an online text diff checker.
Differences
Added: 0Removed: 0Unchanged: 0
Paste both texts to see highlighted differences.
Original with removals
Paste both texts to see highlighted differences.
Updated with additions
Paste both texts to see highlighted differences.
How to use the Text Diff Checker
Paste two versions of your text to spot changes instantly.
- Paste the original text on the left and the updated text on the right.
- Review the highlighted additions and removals in the diff preview.
- Swap or clear the inputs to compare another pair.
Example
Original
Plan: ship on Friday.
Updated
Plan: ship on Monday.
The changed word is highlighted as removed/added.
Text Diff Checker FAQs
Is my text uploaded to a server?
No. Everything runs locally in your browser.
Can I compare large documents?
Yes, but very large inputs may take a little longer to process.