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Picocrypt vs Encrypto: catalog facts
Picocrypt	Encrypto
Free Free and open source, no longer developed.	Free Free app from MacPaw.
Windows, macOS, Linux	Windows, macOS
XChaCha20 and Argon2id, with a design deliberately small enough to audit Standalone portable executable on Windows, with no installation	Drag-and-drop encryption with a password Embedded password hints for recipients
Permanently archived and read-only since September 2025; there will be no more releases Encrypts individual files, not partitions, drives or cloud folders	Encrypts files for sharing, not whole disks Recipients need Encrypto to open the files
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 September 23, 2026

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