Cryptgeon
Cryptgeon is a secure note and file sharing service inspired by PrivNote. Notes are end-to-end encrypted in the browser — the server never sees plaintext. Supports text and file sharing with automatic expiry by view count or time limit. Zero-knowledge, stateless, and self-contained with built-in memcached.
Services
cryptgeon
cupcakearmy/cryptgeon:2.9.1Cryptgeon
A secure note and file sharing service with zero-knowledge encryption. Inspired by PrivNote — all content is end-to-end encrypted in the browser and the server never sees plaintext data.
What You Can Do After Deployment
- Open your domain — Cryptgeon is ready immediately, no login or setup required
- Share encrypted text — write a secret note, it gets encrypted before leaving your browser
- Share encrypted files — upload files up to the configured size limit
- Set view limits — notes can auto-delete after being viewed a set number of times
- Set time limits — notes can auto-expire after a specified duration
Key Features
- Zero-knowledge end-to-end encryption (AES-256-GCM)
- Text and file sharing
- Auto-expiry by view count or time
- No accounts or login required
- Stateless — built-in memcached, no external database
- Lightweight and fast
- Clean, modern web interface
License
MIT — GitHub
Services