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Dub video to Japanese

Dub any video to Japanese with AI — free to start

Upload a video and Vidwip's AI hands it back in 日本語, in the original speaker's own voice, timed to your footage, with Japanese subtitles if you want them. No reshoots, no voice actor, no studio.

Dub a video to Japanese

See what an AI Japanese dub costs before you make an account. Your file is read in this browser for its length and is never uploaded from here.

01

Add your video

02

Target language

Japanese日本語

Add another language while you are here

No language is behind a paid plan. See all 90+.

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What it costs

Your 100 free credits cover 25 seconds of dubbing into Japanese on Standard.Add a video above and this becomes the exact figure for your file. Dub this video to Japanese

Free account, no credit card. You'll upload the video and pick Japanese in the app once you're signed in.

Why this language

Who a Japanese dub actually reaches

125M speakers across Japan is the headline. Whether they need the dub at all is the part that decides if it is worth doing.

Japan is one of the few markets where audiences will simply not watch English content at scale, which makes localisation the whole difference between a market and no market. It is also among the highest-spending audiences per user on the internet, so the conversion side rewards the effort more than the view count alone suggests.

Where they watchYouTube and X are both unusually strong in Japan, and X still carries the kind of link-sharing that has moved elsewhere in most other countries.

The specifics

What an AI Japanese dub gives you

Reach, Kanji captions, timing against your cut, and the accents your audience speaks — the four things a generic 90-languages claim never tells you.

Who it reaches

125 million speakers

Japan

Captions

Kanji, hiragana and katakana

Generated from the same script the voice reads, so captions match the audio.

Against your cut

About 25% longer

Saying the same thing in Japanese takes roughly 25% more time, so a line-for-line Japanese script would overrun your cut. Vidwip writes the Japanese to be spoken to time and paces it back onto your footage.

Accents

2 main accents

The dub has no accent setting, so play the first render to someone from your main market.

  • Standard (Tokyo)national broadcast and business
  • KansaiOsaka and Kyoto — warmer, more informal
The actual numbers

How much does dubbing a video to Japanese cost?

Japanese dubs on the Standard model: $2.40 per minute of source video, per language. Here is how much Japanese dubbing each plan includes, free plan first.

Rate$2.40 per minuteStandardper minute, per language
Minutes of AI Japanese dubbing in each plan — once on Free, every month on paid plans.
PlanPriceDubbing time
Freeno card$025 seconds
Starter$25/mo10 min 25 s
Pro$99/mo41 min 40 s

A Japanese dub runs about 25% longer than your English source, but the bill follows your source video, not the dub — a 10-minute original is 10 billable minutes of Japanese either way. Adding Korean alongside it doubles that to 20.

The thing to get right

Politeness level is not a style choice in Japanese

Japanese encodes the relationship between speaker and listener in the verb endings, so there is no neutral register to fall back on: desu/masu form is the safe default for business and product content, casual form suits creator videos, and honorific keigo is for formal corporate use. The wrong level does not sound slightly off — it sounds rude or absurd.

How it works

How AI dubbing to Japanese works

Vidwip transcribes your audio, translates the script into Japanese, and voices it with an AI clone of the original speaker — paced to your cut, with Japanese captions from the same script. The first two steps happen above; an account is only needed to render the 日本語 audio.

01

Add your video

MP4, MOV or WebM, up to 2 GB. Read in your browser — nothing uploads yet.

02

Confirm Japanese

Japanese is already selected from this page. Add Korean or Chinese too — each is billed separately, and the quote updates as you pick.

03

Sign up and dub

Vidwip's AI transcribes, translates, and re-voices the video in 日本語, in the original speaker's cloned voice, timed to your cut.

Next languages

If you are dubbing to Japanese, these usually come next

Chosen by market adjacency, not alphabetically — these are the targets a Japanese dub is usually followed by. Each is billed separately.

Dub video to Korean

82M speakers · South Korea

Dub video to Chinese

1.1B speakers · Mainland China

Dub video to Cantonese

85M speakers · Hong Kong

Dub video to Thai

61M speakers · Thailand

Dub video to Vietnamese

86M speakers · Vietnam

Dub video to English

1.5B speakers · United States

See all 90+ languages How AI video dubbing works What the free plan covers
FAQ

Questions about dubbing video to Japanese

Which accent, the Kanji captions, the sync, what AI dubbing to Japanese costs, and how good it sounds.

What politeness level will the Japanese dub use?
Polite desu/masu form by default, which is correct for product demos, tutorials, courses, and anything business-facing. Casual form is available for creator content where a formal register would read as stiff, and keigo for formal corporate communication. The choice is per video and should match how your audience already speaks to you.
Japanese runs longer than English — will it still fit my video?
Japanese runs roughly 25% longer in speech than an English source, one of the largest expansions of any target language, and Vidwip times the dub back to your cut rather than letting it run past the picture. For dense narration, leaving a little breathing room in the original edit is the single most useful thing you can do before dubbing into Japanese.
Is AI dubbing to Japanese free?
Free to start. A new account's 100 one-time credits cover 25 seconds of Japanese dubbing, with no credit card and no watermark, and Japanese is not locked behind a paid plan. Need more? Starter, at $25 a month, covers about 10 minutes of Japanese each month, and each extra language is billed on its own.
Does the AI Japanese dub keep my own voice?
Yes. Vidwip's AI clones each speaker from your original audio and reads the Japanese script in that voice, on every plan including the free one, so the Japanese version still sounds like the person who recorded it. There is no stock voice or accent setting to choose: each speaker's clone is the voice.
Will the AI Japanese dub stay in sync with my video?
A Japanese dub runs about 25% longer than your English source, and the AI paces the Japanese audio back onto your footage rather than letting it drift. The picture is never re-edited — only the audio changes — and if you add Japanese subtitles, they come from the same translated script the voice reads, so captions and audio match.
How good is AI dubbing into Japanese?
Good enough to publish. Vidwip's AI dubs from your original audio rather than a transcript, so the pauses and emphasis of the take survive into 日本語, and the voice sounds like a speaker, not a reader. Check the script, though — politeness level is not a style choice in Japanese — because a fluent voice reads a wrong line just as fluently.

Dub your first video to Japanese

Free to start, no credit card, no watermark — and Japan hearing it in 日本語, in your own voice.

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