Cam Scanner is an excellent for scanning a variety of documents. It is a PDF doc

Cam Scanner is an excellent tool for scanning a variety of documents. It is a PDF document scanner app that can turn your phone into a scanner. You can scan anything such as photos, documents, receipts, and so on.

it Have QR code Scanner / QR code Generator

It’s never been easier to scan documents with your smartphone; with this scanner app, you can scan color documents, photographs, images, and text. Every person, whether a school student, a college student, a business person, or anyone, needs a scanner app. The camera scanner software allows you to scan your images and documents in high quality, making it easier for the reader to read the texts. Besides, the app has various auto-correcting functions, such as increasing the brightness and filtering the image for a better and higher quality output.