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Kryptor vs Picocrypt: catalog facts
Kryptor	Picocrypt
Free Free and open source under the GPL.	Free Free and open source, no longer developed.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Modern primitives with a small, hard-to-misuse option set Short public keys that are practical to share	XChaCha20 and Argon2id, with a design deliberately small enough to audit Standalone portable executable on Windows, with no installation
Its file format is its own, so interoperability is limited Small project compared with GPG or age	Permanently archived and read-only since September 2025; there will be no more releases Encrypts individual files, not partitions, drives or cloud folders
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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