Speak your language. Understand everyone.
RosettaChat is a multilingual chat platform where everyone writes in their own language and reads the whole conversation in theirs. Translation isn’t an add-on — it’s the core of the product.
One conversation, every language
Hi everyone — the meeting starts at 10.
大家好，会议 10 点开始。
original · ZH: “大家好，会议 10 点开始。”
Got it! I’ll get the materials ready.
了解しました！資料を準備しておきます。
original · JA: “了解しました！資料を準備しておきます。”
Thanks — talk to you later.
Terima kasih, sampai jumpa nanti.
original · ID: “Terima kasih, sampai jumpa nanti.”
I’ll send over the summary shortly.
เดี๋ยวผมส่งสรุปให้นะครับ
original · TH: “เดี๋ยวผมส่งสรุปให้นะครับ”
Translation that happens in the background
No copy-pasting into a translator. No shared “team language.” Messages are translated asynchronously and delivered the moment they’re ready.
- 01
You send a message
Write naturally in your preferred language. The original is always stored and stays the canonical source of truth.
- 02
We batch the languages
RosettaChat looks at the workspace language set — every language your members actually read — and prepares one batched translation request.
- 03
AI translates in one pass
A single provider call returns all target languages at once, keeping latency and cost low. Source language is auto-detected.
- 04
Everyone reads in theirs
Translations stream back in real time. Each reader sees the message in their language, with the original one tap away.
message created queue job batch translate store realtime update
A lightweight chat layer where language is invisible
Not another enterprise suite. RosettaChat focuses on communication, translation, and extensibility — and leaves the rest out on purpose.
Real-time multilingual chat
Public and private workspaces, channels, and threads. Messages sync live over WebSockets — translated as they arrive.
1:1 direct chat
Private, translated direct messages that work across any workspace — no invite needed, and they never touch your team’s seats or quota.
Per-person preferred language
Each member picks the language they read in. Change it anytime; new messages follow your choice, history stays readable.
Workspaces & channels
Organize communities like a lightweight server: text channels, public or private, with password-protected options.
API tokens & webhooks
Bots, scripts, and external systems post through the same message model as humans — no separate bot framework needed.
Anonymous Temporary Rooms
Spin up a short-lived room for a small group and share a link. Guests join with just a nickname and language — no account — and usage bills to your Personal plan, never theirs.
Encrypted message storage
Content is encrypted per workspace with envelope keys. A database dump alone never exposes your conversations.
Predictable, quota-based pricing
Member count and translation usage drive the bill — enforced in product, not buried in provider tokens.
Two simple ways to upgrade
Pay for what you use: a Personal plan for your 1:1 direct chat, and a Workspace plan for your team. They’re billed independently.
Personal
— your 1:1 direct chatPersonal Free
Translated 1:1 direct chat and quick temporary rooms, included with every account.
- Direct messages / month 500
- Translated chars / month 100,000
- Message length 1,000 chars
- Temporary rooms 1 active, 24h
- Retention 30 days
Personal Pro
For people who lean on direct messaging and temporary rooms.
- Direct messages / month 5,000
- Translated chars / month 3,000,000
- Message length 3,000 chars
- Temporary rooms 5 active, 7d + extend
- Retention 365 days
Workspace
— teams, channels & integrationsFree Workspace
For trying the product and very small groups.
- Members 3
- Messages / month 1,000
- Message length 1,000 chars
- Translated chars / month 250,000
- API + webhook / month 100 + 100
- Message retention 30 days
Workspace Pro
For small teams and internal company communication.
- Members 10 (+ extra seats)
- Messages / month 30,000
- Message length 3,000 chars
- Translated chars / month 10,000,000
- API + webhook / month 10,000 combined
- Message retention up to 365 days
Workspace Extra Seat
Add members beyond the 10 included in Workspace Pro. Each seat adds capacity without changing message length limits, roles, or anyone’s personal direct-chat quota.
All limits are V1 defaults and configurable by the operator. Translation quota is measured in translated characters; out of quota, messages still send and readers fall back to the original.
Start a conversation in every language
Create a free workspace, invite your team, and watch the language barrier disappear. No credit card required.