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PrivateBin vs paaster: catalog facts
PrivateBin	paaster
Free Free and open source; you run it on your own server.	Free Free to use and open source under the AGPL-3.0 licence.
Web, Self-hosted	Web, Self-hosted, Command line
Pastes are encrypted in the browser with AES-256-GCM Server operator cannot read stored pastes	End-to-end encryption in the browser Paste history and delete-after-view options
Users must trust the administrator not to serve malicious code Requires HTTPS, and ideally HSTS, to be safe	Secrets stored in IndexedDB are exposed to malicious JavaScript A third-party instance could be modified to leak keys
Self-hosted	Web application, Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
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.