Encrypt in your browser. The server only ever holds ciphertext — no accounts, no IP logs, no tracking. Everything self-destructs.
available modules
AES-256-GCM rooms. No accounts, no IP logging, room names hashed. Messages expire.
open zkZero-knowledge file sharing up to 300 MB. Key stays in the link. Self-deletes in 24h.
open burnZero-knowledge text & code. Optional burn-after-reading. Decrypted only in your browser.
open 24hAnonymous inbox that self-destructs. Tracking stripped. Optional in-browser PGP.
open shaHash a file locally (SHA-256/512/1) and compare. Offline — it cannot upload.
opensecurity posture