convro secure messenger

A secure messenger for people who care about their threat model, not sticker packs.

convro uses modern end-to-end encryption and aggressive metadata minimisation. There is no engagement algorithm here — only a protocol designed to keep your conversations private and under your control.

Support stuff on Telegram · 24/7

Welcome to the family

DM / 1:1 X25519 • Ed25519

KDF HKDF-SHA256, session keys

AEAD ChaCha20-Poly1305 (256-bit)

PFS / PCS perfect forward & future secrecy

GROUPS GMK, sender keys, ECDH fan-out

CHANNELS partial E2E, per-device history

+99 virtual number, no SIM required

OPEN auditable protocol and codebase

SELF-HOST backend ready for your own node

convro is developed as an open-source project. Audit the code, fork the repo, and ship pull requests like a grown-up client app deserves.

Source code: GitHub / convro · Security / technical contact: hello@convro.pl