Text Diff Checker

Compare two blocks of text and highlight the lines that were added or removed.

Original

Changed

Differences

How to use

Paste the original text in the first box.
Paste the changed text in the second box.
Added and removed lines are highlighted in the result.

Frequently asked questions

How does it compare the text?

It compares line by line and marks which lines were added and which were removed, so you can spot changes quickly.

Is my text private?

Yes. The comparison runs entirely in your browser — nothing is uploaded.

🔒 This tool runs entirely in your browser. Nothing you enter is uploaded, logged, or stored.

Related tools