About ScanFast
A free, open-source document scanner and PDF manipulator. No ads, no logins, no tracking. Everything runs in your browser.
Privacy
All processing happens locally on your device. No data is ever uploaded to any server. No analytics. No cookies for tracking. Your documents never leave your browser.
License
ScanFast is released under the MIT License. You are free to use, modify, and distribute this software.
Open Source
Source code is available on GitHub. Contributions welcome.
View on GitHubHow it Works
- Scan or Import Use your camera to scan documents, or import images and PDFs from your device.
- Edit & Enhance Crop, rotate, apply filters, and rearrange pages. All processing happens instantly in your browser.
- Export Download as PDF or images. Share directly from your device. No account needed.
Keyboard Shortcuts
Ctrl + Z Undo
Ctrl + Shift + Z Redo
Ctrl + A Select all
Delete Delete selected
← → Navigate pages
Built with
SvelteKit Framework
IBM Carbon Design system
pdf-lib PDF manipulation
pdf.js PDF rendering
OpenCV.js Document scanning
Cloudflare Pages Hosting
Limitations
- Maximum 20 pages per session
- Session data is lost on page refresh (no database)
- PDF compression works best on image-heavy PDFs
- Camera scanning requires HTTPS and browser permissions