Create Japanese closed captions

Make your videos accessible with ADA-compliant Japanese closed captions. Sonix automatically generates accurate captions that meet Section 508 and WCAG 2.1 accessibility standards.

Free to start — no credit card required.See pricing

ADA compliant
508 compliant
WCAG 2.1 ready
Japanese transcription guide

Create Japanese closed captions
in minutes

  1. 1
    Upload your video~1 min

    Upload your video file from your computer or cloud storage.

    50+ formats supported
  2. 2
    AI captioning~5 min

    Sonix AI generates Japanese closed captions with models trained for accessibility compliance.

    Word-level timestamps
  3. 3
    Review captions~2 min

    Review and correct your captions in the browser editor with synchronized video playback.

  4. 4
    Export and publish~10 sec

    Download your Japanese captions as SRT or VTT files, ready for YouTube, Vimeo, or your website.

    30+ export formats
The Japanese language

Understanding Japanese transcription

Who transcribes Japanese content?

Broadcasters, video producers, and subtitling teams transcribe Japanese programming for captions and localization, while market-research firms and academic researchers transcribe interviews and focus groups conducted in Japan. Podcasters, businesses documenting meetings, and Japanese-language media serving diaspora communities in the United States and Peru also work with Japanese recordings.

Japanese dialects and accents

Standard Japanese (hyojungo), based on Tokyo speech, dominates broadcasting and education and is the variety speech recognition models are primarily trained on. Kansai dialect (Osaka and Kyoto) is the most prominent regional variant, with different pitch accent and vocabulary, while Tohoku and Kyushu dialects diverge further from the standard; the traditional Ryukyuan languages of Okinawa differ so much that linguists classify them as separate languages rather than Japanese dialects.

Where Japanese is spoken

Japanese is spoken in Japan and certain regions in France, Lithuania, Philippines, Peru, United States, Hawaii (USA), and Taiwan..

5 min
Average turnaround
1-hour video captioned in ~6 minutes
99%
Caption accuracy
Industry-leading Japanese recognition
SRT/VTT
Caption formats
Compatible with all major platforms
30+
Platforms supported
YouTube, Vimeo, Facebook, and more
Japanese transcription FAQ

Frequently asked questions about
Japanese closed captions

What's the difference between closed captions and subtitles?

Closed captions include all audio elements (dialogue, sound effects, music cues) for deaf and hard-of-hearing viewers. Subtitles typically only include dialogue and are meant for viewers who can hear but don't understand the spoken language. Sonix can create both.

Are Sonix captions ADA compliant?

Yes. Sonix generates captions that meet ADA (Americans with Disabilities Act), Section 508, and WCAG 2.1 accessibility requirements. Our captions include accurate timing, proper synchronization, and support for required caption formats.

Can I add sound effect descriptions to captions?

Yes! In the Sonix editor, you can add non-speech audio descriptions like [music playing], [applause], or [door closes]. These descriptions help deaf and hard-of-hearing viewers understand the full audio context.

How accurate are Japanese closed captions?

Sonix delivers 85-99% accuracy for Japanese captioning depending on audio quality. Clear audio with minimal background noise achieves the best results. You can review and edit captions in our browser-based editor.

What platforms support closed captions?

All major video platforms support closed captions including YouTube, Vimeo, Facebook, Twitter, LinkedIn, and Wistia. Sonix exports SRT and VTT formats compatible with all these platforms and more.

Can I burn captions into my video?

Yes! Sonix offers a burn-in feature that permanently embeds captions into your video file. This is useful for social media where closed captions may not display automatically. See our burn-in subtitles service for more details.

Can Sonix transcribe Japanese audio and video to text?

Yes. Upload your audio or video file, select Japanese as the spoken language, and Sonix returns a transcript in standard Japanese script (kanji, hiragana, and katakana) that you can edit in the browser and export.

Does Japanese transcription handle Kansai dialect and regional accents?

Sonix's Japanese model is built around standard (Tokyo) Japanese and generally handles regional accents, but strongly dialectal vocabulary such as Kansai-ben expressions may need corrections in the built-in editor.

Can Sonix create Japanese subtitles?

Yes. After transcribing, you can split the Japanese transcript into subtitle lines and export SRT or VTT files for video captioning.

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