How to use Text Compare Tool

The short answer

To compare two texts, paste the original on the left and the changed version on the right. ClickZM highlights added words in green and removed words in red, by word, character or line, and shows a similarity percentage.

It runs in your browser. What you enter is not uploaded.

How to use it

Type or paste your input into the Text Compare Tool.

Choose any options you need.

See the result update instantly.

Copy the result or download it.

Limits worth knowing

Which comparison mode should I use? Words for documents, lines for code and lists, characters for short strings like IDs.

Is my text uploaded? No. The diff (a longest-common-subsequence algorithm) runs in your browser.