Compare two texts side by side for differences.

Is Quick Diff free to use?

Yes — Quick Diff is free to use, with no sign-up, no install and no account.

Does Quick Diff upload or store my data?

No — Quick Diff runs entirely in your browser, so your text, files and results never leave your device.

No — it works in any modern browser (Chrome, Edge, Firefox, Safari) with no downloads, accounts or plugins.

What is Quick Diff?: Compare two texts side by side for differences.
Is Quick Diff free to use?: Yes — Quick Diff is free to use, with no sign-up, no install and no account.
Does Quick Diff upload or store my data?: No — Quick Diff runs entirely in your browser, so your text, files and results never leave your device.
Do I need to install anything to use Quick Diff?: No — it works in any modern browser (Chrome, Edge, Firefox, Safari) with no downloads, accounts or plugins.