Instantly read codes and create customizable QR codes in one app.

Install QR I/O today, free for everyone.
With QR I/O, you can seamlessly read QR codes, barcodes, and create QR codes in one app.

Scan QR Codes and Barcodes
● Lightning code reading
● Reads not only QR codes but also barcodes
● Since the history of read links etc. is saved, it is convenient when you want to use it later.
● You can share links and create new QR codes from the history of read links.

Create a new QR code
● Highly customizable to create your own QR code
● Intuitive editing with instant preview
● Customize not only colors but also shapes and error correction capabilities

Intuitive and beautiful UI
● Aiming to be the world's easiest-to-use QR code app, providing a beautiful UI
● Supports dark theme
● Supports dynamic color on Android and displays with your favorite theme

I/O IO

QR Code is a registered trademark of DENSO WAVE INCORPORATED.