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PrivateBin vs Hemmelig: catalog facts
PrivateBin	Hemmelig
Free Free and open source; you run it on your own server.	Free The hosted service at hemmelig.app can be used free of charge; the code is under the…
Web, Self-hosted	Web
Pastes are encrypted in the browser with AES-256-GCM Server operator cannot read stored pastes	Client-side encryption of shared secrets Messages self-destruct after being read
Users must trust the administrator not to serve malicious code Requires HTTPS, and ideally HSTS, to be safe	Source-available O'Saasy licence, not OSI open source Little documentation of features was available in the research
Self-hosted	Web application
Open source	Closed source
License not stated	License: O'Saasy
No account needed	Not stated if an account is needed
Needs internet	Needs internet
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.