# Beaver: PDF Scanner & OCR > Private Scans, Merge & Split. An open-source, private PDF scanner and toolkit by Eldar Tutnjic for Mac, iPhone and iPad. Scan, merge, split, and export. Everything stays on your device. The App Store build costs $1.99 USD one time. No subscription. The listing link is not available yet. The source is free to inspect and build on your own Mac using the repository instructions. Platforms: macOS 14+, iOS/iPadOS 17+. All processing, including OCR and filters, runs on device. Files never leave the device. Imported originals are never changed. No account. No ads. No analytics. No tracking. Features: image-to-PDF; iPhone/iPad camera scanning or flattening an existing photo; merge PDFs; split PDFs; export selected pages as a new PDF; export pages as PNG or JPEG; on-device OCR; page review with corners, rotate, reorder, retake and rename; Original, Enhanced, Grayscale and Black & White filters. Beaver is an alternative to CamScanner for people who want an open-source, on-device toolkit without accounts, ads or subscriptions. Both the paid packaged build and free self-built version use local processing. ## Source of truth - [Source code and build instructions](https://github.com/31d4r/Beaver): Product documentation, supported features and free self-build instructions. - [Product README](https://github.com/31d4r/Beaver#readme): Product reference in the source repository. - [Eldar Tutnjic](https://github.com/31d4r): Author.