Sites and apps similar to Secret Once include Pastebin.com, which has a free version. Other options are PrivateBin, Retriever, BurnPony and One-Time Secret. You can choose from more than 10 Pastebin Services like Secret Once for Windows, self-hosting, Mac, Linux and Android.
A platform designed for effortless text storage and sharing online, highly utilized by programmers for sharing source code and configurations. Offers public and private pastes, text expiration, optional pro accounts, integration options, but lacks real-time editing and collaboration tools.
United Kingdom
PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of pasted data.
Switzerland
BurnPony seals a note on your phone with AES-256-GCM, hands you one link, and steps out of the way. The recipient opens it in any browser — no app, no account — and after the last allowed view the note is gone. The server in the middle only ever holds ciphertext.
United States
Keep sensitive information out of your chat logs and email. Share a secret link that is available only one time.
Free one-time sharing of passwords, sensitive text and small files with client-side encryption.
Share a confidential note via a web link that will self-destruct after it is read by your intended recipient
Create one time links for secrets and sensitive data that your want to share. Keep it safe, keep it secure
VaultNote is a modern, privacy-focused tool for sharing sensitive data like passwords and API keys. Unlike traditional services, all encryption (AES-256) happens directly in the user's browser (Client-Side Encryption) before any data leaves the device.
OnlyU is a free, secure platform for sending self-destructing messages and passwords. No signup is required, and all messages are end-to-end encrypted by default. Once read, messages are permanently deleted.
France
EU
Send passwords, keys, or notes in links encrypted in the browser with AES-256-GCM. The decryption key stays in the URL fragment, so the server stores ciphertext only. Choose 1–5 views and expiry options; secrets are deleted after revealing or expiry, without an account.
United States
