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OffCode Tor Chat E2EE

Setting up your own self hosted chat server has never been this easy. No port forwarding, no cloud account, and no complicated setup. Tor Chat is designed to make secure self hosting simple. Every message is encrypted in the browser with WebCrypto.

Host with Server Manager on Windows, or headless Docker (ChatServer + Tor HS). Password rooms are server blind E2EE, so the host cannot derive the room key. Open rooms still encrypt in the browser, but the key is derived from the room ID, creating intentional public channels. Hidden rooms stay off the public list and use invite links. Add a password for private E2EE. Creators get Settings for closed joins, slow mode, lock later, and delete room, plus a Profile recovery code (My Rooms for hidden). Required message TTL, E2EE attachments, and optional Full Vanguards complete the stack.

Server Manager is the host-side control panel: it starts and stops ChatServer plus a Tor v3 Hidden Service, shows the .onion URL to share, optionally enables Full Vanguards, and lets you administer rooms and storage. The host never receives plaintext from clients; password-room keys stay in browsers. Open-room keys are derivable from the room id by design.

Start ChatServer first (Production, waits for /api/health), then enable Tor Copy and share the published .onion URL

Optional Full Vanguards checkbox (Python + Stem) for long-lived HS hardening

Live room list (room id, locked flag, online count only, no message content)

Remove a selected room in realtime: connected users are forced back to the lobby; ciphertext for that room is deleted with secure_delete + VACUUM

Remove SQL data: securely overwrites (then deletes) the SQLCipher DB, WAL/SHM, and db.key.dpapi; optional checkbox also wipes Tor Hidden Service keys (.onion identity)

Generate new address: securely wipes HS keys and publishes a new .onion (chat DB unchanged)

A startup from Finland.

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Pricing:

Open Source
Freemium
$49.0 / One-off (Source-code)
Official Pricing

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OffCode Tor Chat E2EE Reviews and Details

This page is designed to help you find out whether OffCode Tor Chat E2EE is good and if it is the right choice for you.

#Chat #Group Chat & Notifications #Network Security #Security & Privacy #Encryption #Messaging #Group Messaging #Instant Messaging #Web App #Web Hosting #Self Hosting #Tor

Screenshots and images

First page //
2026-07-23
Chat //
2026-07-23
Room Settings //
2026-07-23
Room Settings2 //
2026-07-23
Profile //
2026-07-23
Server manager //
2026-07-23
Server manager2 //
2026-07-23

Features & Specs

Ciphertext storage

SQLCipher database under LocalAppData (Windows) or Docker volume. DPAPI / env key. Parameterized queries. Plaintext is never written to disk.
Close room to new members

blocks all joins (including invites); members stay
Slow mode

Send cooldown 1 min … 4 h (applies to everyone, including creator)
Delete this room

Same wipe path as Server Manager room delete
Creator recovery code

Binds rooms you create; My rooms lists hidden; Copy / Restore
Rooms, invites & TTL

Open, password-protected, and/or hidden rooms with invite links and required per-message lifetime.
Server manager

Start ChatServer first (Production, waits for /api/health), then enable Tor Copy and share the published .onion URL Optional Full Vanguards checkbox (Python + Stem) for long-lived HS hardening Locks CORS to your onion: TORCHAT_ALLOWED_ONION on start + live POST /api/admin/cors-onion (no ChatServer restart) Live room list (room id, locked flag, online count only, no message content) Remove a selected room in realtime: connected users are forced back to the lobby; ciphertext for that room is deleted with secure_delete + VACUUM Remove SQL data: securely overwrites (then deletes) the SQLCipher DB, WAL/SHM, and db.key.dpapi; optional checkbox also wipes Tor Hidden Service keys (.onion identity) Generate new address: securely wipes HS keys and publishes a new .onion (chat DB unchanged) Point at your ChatServer project path and load/save host config as needed
Full Vanguards Guard-Discovery Protection

A standard Tor Hidden Service chooses its entry (guard) nodes randomly on every circuit build. Over time a network-level adversary can watch which relays the server connects to and gradually narrow down the real server IP. This is called a guard-discovery attack and is especially dangerous for long-lived hidden services.
Encryption

WebCrypto AES-256-GCM; PBKDF2-v2 domains at 600 000 iterations (torchat-join-v2 / torchat-e2ee-v2 locked = server-blind; torchat-open-v2 open = public key material). Envelopes: pbkdf2-v2 / ecdh-hybrid-v1
XSS hardening

No user innerHTML; messages and room ids via textContent / createElement
ECDH + safety number

1:1 hybrid ECDH; safety number from sorted SPKI pubs (3×5 decimal); Mark verified / TOFU change warning (sessionStorage)

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Questions & Answers

As answered by people managing OffCode Tor Chat E2EE.

Which are the primary technologies used for building OffCode Tor Chat E2EE?

C#, python , javascript
What makes OffCode Tor Chat E2EE unique?

Self-hosted easy setup! Never been that easy

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