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PGPTool vs Hideout: catalog facts
PGPTool	Hideout
Free Free to download and use.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Linux
Compatible with the OpenPGP specification Suggests encryption and decryption settings from previous actions	Simple interface for a single task Built on the established GnuPG toolchain
Requires a separately installed Java Runtime Environment 17 or later Non-Oracle JREs need JAVA_HOME set or the ZIP package on Windows	Linux only Small project with a single developer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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