A vanishing note service supporting aes-gcm 256, custom passwords via pbkdf2, and one-time pads.
Cost / License
- Free
- Open Source
Platforms
- Online




cryptgeon is described as 'Secure, open source note / file sharing service inspired by PrivNote written in rust & svelte' and is an app in the file sharing category. There are more than 10 alternatives to cryptgeon for Web-based, SaaS, Chrome OS and Self-Hosted. The best cryptgeon alternative is vanish.so, which is both free and Open Source. Other great apps like cryptgeon are BurnChat, Retriever, One-Time Secret and Privnote.
A vanishing note service supporting aes-gcm 256, custom passwords via pbkdf2, and one-time pads.




Disposable chat rooms offer instant creation without sign-up, use RAM-only message storage, destroy data with a burn button or auto-burn, provide password protection, allow image sharing compressed in-browser, never log or write to disk, and guarantee anonymity.




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.


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.




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.

Encrypts the message on browser with JavaScript and generates one-time URLs; auto-deletes them after first read.