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Paranoia File & Text Encryption vs Deadbolt: catalog facts
Paranoia File & Text Encryption	Deadbolt
Freemium Free version available; a Pro version adds more ciphers.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Choice of several strong ciphers JPEG steganography with F5 or J-UNIWARD	Password-only encryption with very little to configure Encrypted files work across macOS, Windows and Linux
Extra ciphers require the Pro version Windows build requires 64-bit Windows 10 or later	No auto-updates on Linux Not a replacement for full-disk encryption
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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