Compare software

hat.sh vs FileKey: catalog facts
hat.shFileKey
Free

Free to use in the browser; the project is open source.

Free

Free and open source.

Web Web
  • Encryption and decryption happen locally in the browser
  • Nothing to install
  • Uses passkeys, so there is no password to remember
  • Encryption happens on the device
  • Research gives little detail on algorithms or file size limits
  • Depends on a modern browser
  • Depends on browser and device passkey support
  • Losing both the passkey and recovery code means losing access
Web application Web application
Open source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

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