Text Diff
Compare two blocks of text and see exactly what changed.
No differences
How to use this tool
- 1Paste the original text into the left box.
- 2Paste the modified text into the right box.
- 3Read the highlighted differences.
Frequently asked questions
Does it handle long documents?
Yes; performance stays good up to tens of thousands of lines in modern browsers.
Is it word-level or line-level?
Line-level first, with inline highlights for small phrase changes.
Are the texts uploaded?
No — comparison happens in your browser.