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Kruptos 2 vs Picocrypt: catalog facts
Kruptos 2	Picocrypt
Paid Paid software with a free trial.	Free Free and open source, no longer developed.
Windows, macOS, Android	Windows, macOS, Linux
256-bit AES encryption for any file type Encrypted files open on Windows, macOS and Android	XChaCha20 and Argon2id, with a design deliberately small enough to audit Standalone portable executable on Windows, with no installation
Paid after the trial Closed source	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
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

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