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Onetime Secret vs sup3rS3cretMes5age: catalog facts
Onetime Secret	sup3rS3cretMes5age
Freemium Free to create secret links, with paid plans listed on the pricing page.	Free Free and open source under the MIT licence.
Web, Self-hosted	Self-hosted, Command line
Links self-destruct after one view Optional passphrase and expiry	Messages are deleted after one read Configurable expiry up to 7 days
Only for text, not files Recipient must open the link before it expires	Requires running a HashiCorp Vault instance No hosted public instance listed
Web application, Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Needs internet	Not stated if it works offline
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.