First up is the venerable Barcode Scanner. It has over 100 million downloads in the Google Play Store and is one of those very basic tools that most people should have. It allows phone and tablet cameras to read QR codes, barcodes, and similar content so that it can be opened on your device. It’s a simple app that works well and it’s even been pre-installed on devices in the past. Even if you don’t use it every day, keep it in mind in case you ever do