About
Chat On Mars exists to bridge the communication gap between people around the world.
Our mission
We believe a shared language shouldn't be the price of a real conversation. Chat On Mars uses AI translation so everyone can speak and read in their own language — and simply understand each other.
How it works
Create a room, share a QR code or link, and start talking. Each message is translated into the language each person reads, in real time. Guests don't need to install anything or sign up.
Who it's for
Travelers and the locals they meet, venues serving customers from everywhere, and anyone who wants to talk across a language barrier without friction.
Get in touch
We'd love to hear how you use Chat On Mars. Reach us at contact@chatonmars.com.
Common questions
- What is Chat On Mars?
- Chat On Mars is a free web app for real-time chat between people who don't share a language. Each person writes and reads in their own language, and AI translates every message in between — so the conversation just works, with no shared language needed.
- Is Chat On Mars free?
- Yes. Chat On Mars is free to use — you can create a room, invite others, and chat with live translation at no cost.
- Do guests need an account to join?
- No. A guest can join a room without an account and without installing anything — just open a shared link or scan a QR code and start talking. An account is optional and only needed to keep a room permanently, such as for a venue's table.
- What languages does Chat On Mars support?
- Chat On Mars supports 12 languages at launch: English, Simplified Chinese, Traditional Chinese, Spanish, Japanese, Thai, French, German, Korean, Arabic, Portuguese, and Russian.
- How does the translation work?
- When you send a message, Chat On Mars detects its language and uses AI to translate it into the language each other person is reading, in real time. You can tap any message to see the original text.