2023-08-11 00:00:00 If you need to scan multiple documents then open your smartphone and scan documents free on your device with just one touch by using the cs scanner to scan PDF which is a popular app to scan PDF files and PDF documents. Document Scanner app scans your documents and converts them to PDF. The document scanner app for android detects the corner of the file that you want to scan and crops the part of the document that you want to scan by using this Document PDF Scanner app.