Zero-knowledge • one-time links
Send secrets without leaving them in chat history.
Secure W22 encrypts your note in this browser, stores only ciphertext, and destroys the server copy after the first open.
AES-GCM browser encryption
Key stays in the URL fragment
One open, then deleted
Simple, private flow
Important security note
Anyone with the full link can open the secret once. For extremely sensitive material, confirm the recipient out-of-band before sending.
- 1Your browser generates a random encryption key.
- 2The secret is encrypted locally with AES-GCM before upload.
- 3Only encrypted data is stored. The decryption key is kept in the link fragment after #.
- 4When the recipient opens the link, the encrypted data is fetched once and immediately deleted.