Compare software

Picocrypt vs Kruptos 2: catalog facts
Picocrypt	Kruptos 2
Free Free and open source, no longer developed.	Paid Paid software with a free trial.
Windows, macOS, Linux	Windows, macOS, Android
XChaCha20 and Argon2id, with a design deliberately small enough to audit Standalone portable executable on Windows, with no installation	256-bit AES encryption for any file type Encrypted files open on Windows, macOS and Android
Permanently archived and read-only since September 2025; there will be no more releases Encrypts individual files, not partitions, drives or cloud folders	Paid after the trial Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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