QR & Barcode Scanner — camera, photo or screenshot, all in your browser

Source

Or just paste a screenshot: Ctrl+V (Cmd+V on Mac).

Images never leave your browser — recognition runs locally.

Result

Is it free to use?

Yes, completely free and no sign-up needed. The tool runs entirely in your browser: the file never goes to a server, so the server spends neither CPU nor traffic — there is nothing to charge for. No watermarks, no limits on file size or count.