A free app for Android, by QR Barcode Scanner.

QR Code Reader is a free barcode scanner app that can scan all types of QR codes. It also supports various formats such as Wi-Fi, URL, text, contact, phone number, and SMS.

This app has an easy-to-use interface, so you can quickly scan a code in a few seconds. It also allows you to use the QR code scanner to browse websites and view products in other applications.

It has a very simple interface, and you can use it without any special permissions. You don’t need to worry about privacy issues, because this app does not collect any personal information or access to your location, contact list, or anything else.