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paaster vs PrivateBin: catalog facts
paaster	PrivateBin
Free Free to use and open source under the AGPL-3.0 licence.	Free Free and open source; you run it on your own server.
Web, Self-hosted, Command line	Web, Self-hosted
End-to-end encryption in the browser Paste history and delete-after-view options	Pastes are encrypted in the browser with AES-256-GCM Server operator cannot read stored pastes
Secrets stored in IndexedDB are exposed to malicious JavaScript A third-party instance could be modified to leak keys	Users must trust the administrator not to serve malicious code Requires HTTPS, and ideally HSTS, to be safe
Web application, Self-hosted	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account 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.