Japanese ↔ Vietnamese
Translate Japanese to Vietnamese by Voice in Real Time
Whisperr translates spoken Japanese to Vietnamese — and Vietnamese back to Japanese — live, with about 0.2 seconds of latency. Two-way, auto-detecting, and ready for conversations, calls, and video.
This is a sample. Tap Record to sign up free and translate live, both ways.
How to translate Japanese and Vietnamese live
Three ways to use it — face-to-face, on a call, or while watching video.




Built for live conversation
Everything you need for Japanese ↔ Vietnamese
Real-time, two-way voice translation — not a file-based or one-way tool.
Two-way, auto-detect
Speak Japanese or Vietnamese and Whisperr detects which and translates the other way — no toggling.
Real-time
Translation in about 0.2 seconds, fast enough for natural back-and-forth.
Read or hear it
Show the translation on screen or have Whisperr speak it aloud.
100+ languages
Beyond Japanese and Vietnamese, Whisperr covers over 100 languages, including long-tail ones.
Every device
Native iOS, iPad, Mac, and Android apps, plus a web app and Chrome extension.
Broadcast Mode
Share a room link so others read your translated Japanese or Vietnamese in their browser — no app needed.
Available everywhere
Supported Platforms
One unified login works everywhere. Sign in once and use Whisperr on native iOS, iPad, and Mac apps, on Android, in your browser, or as a Chrome extension.
Speak Japanese and Vietnamese without the barrier
Start your next conversation, call, or video with live translation — free to try.
Start Translating FreeJapanese to Vietnamese translation FAQ
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Does it translate both directions?+
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Ready to translate Japanese and Vietnamese live?
Break the language barrier in any conversation, call, or video.
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