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Kryptor vs hat.sh: catalog facts
Kryptor	hat.sh
Free Free and open source under the GPL.	Free Free to use in the browser; the project is open source.
Windows, macOS, Linux, Command line	Web
Modern primitives with a small, hard-to-misuse option set Short public keys that are practical to share	Encryption and decryption happen locally in the browser Nothing to install
Its file format is its own, so interoperability is limited Small project compared with GPG or age	Research gives little detail on algorithms or file size limits Depends on a modern browser
Downloadable app	Web application
Open source	Open source
License: GPL-3.0	License not stated
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 September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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