同传
Simul Interpreter Real-time speech translation

Sign in to continue

Sign in with your Google account to start translating.

Audio is sent to OpenAI for translation. Nothing is stored on our server.

同传
Simul Interpreter Real-time speech translation

Begin a session

Pick the languages, choose a microphone, and start translating.

Add context & terms (optional)

Lists names & terms to spell correctly. Use short terms separated by commas — not full sentences.

Nothing is stored on this server. Audio is streamed to OpenAI's Realtime API for transcription and translation.

v2
Listening

Change languages

Listening for your voice

Speak naturally. Each utterance appears here with its translation on top and the original below.

Session history

No saved sessions

Sessions are saved automatically when you end a session, change languages, or start a new one.

Settings

Add your own OpenAI key for unlimited translation. It is stored only in this browser and sent straight to OpenAI.

Free session ended

Buy translation minutes

One-time payment via Stripe. Minutes never expire.