Compare software

FilenNordLocker
Freemium

A free tier is available. More storage requires a paid plan or a lifetime purchase.

 Freemium

3 GB of storage is free; larger plans are paid.

Windows, macOS, Linux, Android, iOS, Web Windows, Android, iOS, Web
  • Client applications are open source and the encryption is zero-knowledge
  • Data stored in Germany under EU data protection rules
  • End-to-end encryption for stored files
  • Apps for Windows, Android, iOS and the web
  • Smaller and newer than the established providers
  • Some clients still carry rough edges
  • Closed source, so encryption claims cannot be audited from source
  • Desktop app listed for Windows only on the homepage
Downloadable app, Hosted service Downloadable app, Web application, Hosted service
Open source Closed source
License not stated License not stated
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 23, 2026

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