Spotting what actually changed between two versions of a document by eye is slow and error-prone. Paste the original and the edited version here and this tool lines them up and highlights exactly what was added or removed, line by line, entirely in your browser.
How to use the text diff checker tool
- 1
Paste the original
Add the first version of your text on the left.
- 2
Paste the changed version
Add the updated version on the right.
- 3
Review the differences
Added lines are highlighted green, removed lines red, unchanged lines stay plain.
Common use cases
Review edited copy
See exactly what changed between two drafts of an article or email.
Check a contract revision
Spot every line that was altered between two versions of a document.
Compare config or code snippets
Quickly diff two blocks of text-based config without opening a full IDE.
Frequently asked questions
It compares line by line, which is the clearest way to review changes in prose, lists, and most text documents.