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Kryptor vs GnuPG: catalog facts
Kryptor	GnuPG
Free Free and open source under the GPL.	Free Free and open source under the GPL.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Modern primitives with a small, hard-to-misuse option set Short public keys that are practical to share	The reference free OpenPGP implementation, present everywhere Smartcard and hardware token support through its agent
Its file format is its own, so interoperability is limited Small project compared with GPG or age	Key management and the command line are famously unforgiving Defaults and trust models confuse newcomers into unsafe practice
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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