Compare software

hat.shDeadbolt
Free

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

 Free

Free and open source under the MIT licence.

Web Windows, macOS, Linux, Command line
  • Encryption and decryption happen locally in the browser
  • Nothing to install
  • Password-only encryption with very little to configure
  • Encrypted files work across macOS, Windows and Linux
  • Research gives little detail on algorithms or file size limits
  • Depends on a modern browser
  • No auto-updates on Linux
  • Not a replacement for full-disk encryption
Web application Downloadable app
Open source Open source
License not stated License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked October 2, 2026

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