PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of pasted data.


SecNote is described as 'End-to-end encrypted, read-once notes. AES-256-GCM in the browser, proof-of-work spam protection, zero accounts. Self-hostable, with Rust backend' and is an app in the security & privacy category. There are more than 10 alternatives to SecNote for a variety of platforms, including Web-based, Self-Hosted, SaaS, Chrome OS and Mac apps. The best SecNote alternative is PrivateBin, which is both free and Open Source. Other great apps like SecNote are vanish.so, Infomaniak kPaste, CryptVault and One-Time Secret.
PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of pasted data.


A vanishing note service supporting aes-gcm 256, custom passwords via pbkdf2, and one-time pads.




Infomaniak kPaste encrypts your data directly in the browser using the 256-bit AES protocol, and more specifically the Galois/Counter Mode (GCM) algorithm. kPaste servers are exclusively based in Switzerland and managed by Infomaniak.


End-to-end encrypted secrets manager with zero-knowledge security using RSA-4096 and AES-256-GCM. Supports passwords, API keys and more, TOTP, password generator, health analysis, dark web alerts, secret sharing, Google Drive BYOS, and multi-language support.




Keep sensitive information out of your chat logs and email. Share a secret link that is available only one time.

Share a confidential note via a web link that will self-destruct after it is read by your intended recipient

Scrt.link lets you share sensitive information online. Keep confidential information out of email, Slack, Teams, Whatsapp or any other communication channel. A one-time disposable link guarantees your secrets can only ever be accessed once - before being destroyed forever.


his service has been created to offer a secure means to transfer one off information between two parties.



Encrypts the message on browser with JavaScript and generates one-time URLs; auto-deletes them after first read.
If you need to send a password or some other form of simple but sensitive information to someone you can not send it over IM or email. These methods are not secure as anyone with little knowledge can intercept this information during transmission.



