Picocrypt -

VeraCrypt is excellent, but it is massive. It does disk encryption, hidden volumes, and boot partitions. That complexity introduces attack surfaces. Furthermore, VeraCrypt requires admin rights and driver installation, making it useless on locked-down work computers or Live USBs.

Type a strong passphrase (e.g., 5 random diceware words). Picocrypt will show a strength meter. picocrypt

Closed-source encryption is mathematically equivalent to a trap door. You cannot verify that Microsoft or AxCrypt doesn't have a master backdoor for law enforcement. Furthermore, if those companies vanish, your data is locked forever. VeraCrypt is excellent, but it is massive

Picocrypt solves all three: No install, no dependencies, completely open source (MIT License), and only 2,000 lines of code. Double click

Double click. No installation wizard. No "Allow admin access" popup. It just opens.