Document Scanner: Scan File is a free scanner app that can turn your iPhone into a portable scanner. This app can scan any document in PDF format, and you can share it with your colleagues and friends. With this powerful scanner app, you can quickly digitize all kinds of paper documents, such as receipts, notes, invoices, whiteboard discussions, business cards, certificates, etc.

The app is optimized to run very fast, and its smart cropping and auto-enhancing features ensure that the texts and graphics in scanned documents are clear and sharp with premium colors and resolutions. Moreover, the OCR (optical character recognition) feature recognizes texts in document images and extracts them from images for later searching, editing or sharing. You can categorize your scanned documents with tags and use OCR for search to find texts inside images and notes. The app also has a document editor that allows you to scan in color, grayscale, or black & white, and multiple levels of contrast for crisp monochrome texts.