Compare software

Scans to PDFNAPS2
Free

Free and open source under the GPL-3.0-or-later licence.

 Free

The open-source application is available without a license fee.

Linux, Command line Windows, macOS, Linux
  • Separate compression of text and background keeps scanned PDFs small
  • Adds an invisible OCR layer so documents become searchable
  • Works with nearly any scanner protocol on Windows, macOS and Linux
  • Built-in OCR produces searchable PDFs with no extra step
  • Color and grayscale scans need preparation in other tools for good results
  • Linux only
  • Deliberately simple; it is not a document management system
  • OCR language packs must be downloaded separately
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-or-later License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.