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Simple Text Crypt vs Cryptii: catalog facts
Simple Text Crypt	Cryptii
Free Free and open source under the GPL-3.0-or-later license.	Free Free and open source under the MIT license.
Android	Web
Encrypts plain text for storage or sharing Uses Argon2 with a random salt to derive keys	Chains conversion steps in a modular workspace Runs translations in the browser
The README advises against using it for serious data encryption	It is designed for text and data conversions, not general-purpose secure file encryption.
Downloadable app	Web application
Open source	Open source
License: GPL-3.0-or-later	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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