PDF Scanner - Camera Scanner to PDF is a powerful document scanner application available for Android devices. It allows users to scan documents, receipts, photos, business cards, and even QR codes, and save them as PDF files. The app also offers OCR technology for digitizing books, business cards, passports, and ID cards. Users can easily share their scanned documents with friends and partners via email, fax, or Bluetooth.

One of the standout features of PDF Scanner is the ability to scan documents with three different modes: color image, grayscale image, and black & white. The app automatically focuses the camera on the document and identifies the area to be scanned. It also supports scanning with multiple formats, including Letter, Legal, A4, A3, Business Card, Passport, and ID.

PDF Scanner offers a range of editing tools to optimize the scanned documents. Users can increase or decrease the contrast of the image with five modes, apply filters, adjust the scanning area borders, and rotate the page. The app also supports OCR text recognition, allowing users to scan photos to text or image to text. PDF Scanner is free to download and use, making it a great option for anyone in need of a reliable document scanner app for Android.