Are you looking for a free and simple way to scan and organize your paper documents? Then the PDF Scanner app is exactly what you need. It allows you to scan any paper document into a digital document and share it with others. This app also has an option to back up all your documents, so you can have a copy in case anything happens to your device.

This app allows you to crop the image and adjust the color and brightness. Also, you can choose to have the scanned image saved into the phone's gallery. You can do all this with just a few taps.