The OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner.




The best free alternative to CamScanner is OSS Document Scanner, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to CamScanner and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to CamScanner are FairScan, Open Note Scanner, MakeACopy and Google Lens.
The OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner.




Android document scanner offering multi-page PDF creation, automatic detection, image enhancement, and distraction-free interface, all open-source. No ads, cloud, watermarks, or tracking—scans remain on your device. Minimal permissions ensure privacy and transparency.



This little application provides a way on scanning handwritten notes and printed documents.




MakeACopy is an open-source document scanner app for Android that allows you to digitize paper documents with OCR functionality. The app is designed to be privacy-friendly, working completely offline without any cloud connection or tracking.




Google Lens lets you search what you see, get things done faster, and understand the world around you—using just your camera or a photo.




Tesseract.js is a javascript library that gets words in almost any language out of images.




Open Scanner is a fast and simple-to-use paper-scanning app with AI features to speed up your scanning workflow:




OpenScan is an open source app that enables users to scan hardcopies of documents or notes and convert it to PDF or JPEG files. Its motto is "No ads. No data collection. We respect your privacy.".



The Adobe Scan scanner app turns your device into a powerful portable scanner that recognizes text automatically (OCR) and allows you to save to multiple file formats including PDF and JPEG.




Native macOS app for viewing, annotating, and editing images and PDFs, featuring tools for cropping, rotating, resizing images, rearranging pages, full-screen viewing, markup, document merging, batch conversion, and export in multiple formats.




OSS Document Scanner is more lightweight, and has better filters. It condenses the files similarly as CamScanner, but the text is more clear.
The only problem is that for my phone (GrapheneOS), I have to take photos with camera and import them in the app, because for whatever reason it makes the images blurry when I take the photo in the app itself. This may be because of my Android operating system.
But it's smaller, open-source, and outputs better images (textbook pages).