Clear Scanner is a free, powerful PDF scanner app for Android. It is one of the best and most popular document scanners in the Android app store. It can scan and save almost all document types, including letters, memos, business cards, contracts, ID cards, photos, notes, books, and many more.

It has a simple and intuitive interface that makes it easy to use. Just open it, select the document you want to scan, and start the scan. Once it is done, you can save it to your device or to the cloud. You can also send it by email, print it out, or upload it to a website.

It has a powerful engine that can process multiple pages at once. It is fast and reliable. The app is free and it does not have any in-app purchases. You can also add your own signature to the scans.

It has many powerful editing tools. You can rotate the page, zoom in and out, crop the page to a smaller size, and add filters to the document. You can also add a watermark to the document.