Compare software

Gpg4winPGPTool
Free

Free software, funded by donations and public contracts.

 Free

Free to download and use.

Windows Windows, macOS, Linux
  • Kleopatra gives GnuPG a real key manager instead of a command line
  • Integrates with Outlook through GpgOL and with Explorer through GpgEX
  • Compatible with the OpenPGP specification
  • Suggests encryption and decryption settings from previous actions
  • Windows only
  • OpenPGP key management is genuinely hard, and the concepts do not hide well behind a GUI
  • Requires a separately installed Java Runtime Environment 17 or later
  • Non-Oracle JREs need JAVA_HOME set or the ZIP package on Windows
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License not stated
No account needed No account needed
Works offline Works offline

Checked September 20, 2026

Checked October 2, 2026

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