Turn any link or text into a QR code. Created in your browser, so what you type stays on your device.
Yes. There are no limits, no sign-up and no watermark.
No. The QR code is created in your browser, so what you type stays on your device.
No. The code simply contains your text or link, so it works for as long as that link works.
Medium is a good default. Choose High if the code will be printed on something that may get scuffed or if you add a logo on top.
Use 512 px for most screens and 1024 px for printing. You can also download an SVG, which stays sharp at any size.