Text Difference Checker

Paste an original and a changed version to see added and removed lines side by side in colour. Useful for documents, code and contracts.

Runs in your browser. Your files never leave your device.

Original text

Changed text

Ignore extra spaces

How it works

Is my text uploaded?

No. The comparison runs in your browser.

Is my file uploaded to a server?

No. Everything happens inside your browser on your own device. Your files are never sent to us or anyone else.

Is it free?

Yes. It is free to use, with no signup, no watermark and no daily limit.