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1time vs Onetime Secret: catalog facts
1time	Onetime Secret
Free Free to use and open source under the MIT licence.	Freemium Free to create secret links, with paid plans listed on the pricing page.
Web, Self-hosted, Browser extension, Command line	Web, Self-hosted
Encryption happens in the browser before upload Optional passphrase and choice of view count	Links self-destruct after one view Optional passphrase and expiry
Trusting a hosted instance means trusting its served code Small project with few contributors	Only for text, not files Recipient must open the link before it expires
Downloadable app, Web application, Self-hosted, Browser extension	Web application, Self-hosted, Hosted service
Open source	Open source
License: MIT	License not stated
No account 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.