A free program for Android, by WSO_App.

Doc Scanner – Documents to PDF is an all-in-one document scanner, that can be used to scan, store, and share any document in any of the supported formats.

The scanning process is very fast and easy, it is all done in a few taps. The app is also very easy to use, and the user interface is very intuitive.

The app allows you to choose the desired format (PDF, JPEG, or even a custom format).

After that, you can start scanning. The app also provides you with a preview of the scanned document so that you can check the quality of the scan.

After finishing the scanning process, the app will provide you with a list of all the pages that were scanned. You can also store the scanned documents in a folder in your device.