Upload English audio or video, or record yourself, and get a Japanese translation with each speaker and timestamp. It is useful for sharing English meetings with colleagues in Japan, lectures and webinars, interviews, and Japanese subtitles for videos.
Drop an audio or video file to translate
m4a, mp3, wav, mp4, webm and more — up to 200MB. Free, no account needed.
Business calls and presentations are translated in polite desu/masu style; casual conversations may come out in plain form. English does not mark politeness the way Japanese does, so for formal keigo in client material, have a native speaker review it.
Names and loanwords are usually written in katakana, and brand or product names are often kept in Latin letters. Check the katakana for people's names against how they write them in Japanese.
Yes. With Japanese as the target, the AI summary is written in Japanese with the main topics and any action items.
Yes. Download the Japanese translation as .srt or .vtt. Each cue keeps the timing of the English line; Japanese lines can be longer on screen, so very fast speech may give dense subtitles.
Yes. You can translate up to 5 files per day (200MB each) free, with no account and no watermark. For unlimited recording and transcription, the Wave app has a free plan and paid plans from $80 a year or $15 a month.
Your file is uploaded to temporary storage, transcribed and translated. We may then keep a private copy of the audio and the original transcript to improve Wave's speech recognition. They are never published. Please don't upload recordings you aren't comfortable sharing with us.
Related: Translate Audio to English, Free · Free Audio Transcription: Transcribe Audio to Text with AI
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