Diff Result
+ Added− Removed= Same
How to Use Text Diff Checker
1
Paste the original text in the left box.
2
Paste the modified text in the right box.
3
Click Compare — added lines show in green, removed in red.
Features
✓Line-by-line comparison with colour coding
✓Added lines highlighted green, removed lines red
✓Summary of total additions and deletions
✓Server-side LCS algorithm for accuracy
Why Use This Tool
Compare document revisions quickly
Spot changes in code or content
No need to install diff software
Works with any text format
Frequently Asked Questions
Can I compare code?
Yes, the diff checker works with any plain text including code, HTML, CSS, JSON and more.
How large can the texts be?
Up to 500KB per text block. This covers millions of words.