JimakuAI

English to Japanese subtitles for long video

Tags Free AI tools AI video generator AI video translation Video to text Content localization

What JimakuAI is

JimakuAI is a specialist: English to Japanese subtitle translation for long technical video. It targets material over an hour long such as training, courses, webinars and internal meetings, and emphasizes terminology management and correct timelines.

Free minutes per month make a first test easy.

What you can do with it

Translate English video subtitles into Japanese
Keep technical terminology consistent throughout
Handle recordings over an hour
Produce timeline-correct subtitle drafts
Review output before course or client use

Who it is for

Companies training Japanese-speaking staff
Course and education teams localizing material
Teams localizing internal meetings and webinars
Technical content publishers

What to watch out for

Jargon, timeline, speaker attribution and brand expression need review before formal use
It is aimed at long technical content, so short social clips are not the strength
Free minutes are limited; plan around real volume
Subtitle length and reading speed should be checked for viewers

Pros & cons

✓ What we like

Purpose-built for a specific language pair
Terminology management included
Handles long recordings

! What to watch out for

Narrow to English and Japanese
Jargon needs human review
Free minutes limited

FAQ

Is it good for short video?

It can handle subtitling, but the advantage is long technical and corporate training content.

Why does terminology management matter?

It keeps the same technical vocabulary consistent so learners are not confused by drift.

What should be checked after delivery?

Timeline, terminology, tone, speaker attribution and subtitle length.

Last reviewed: 2026-09-16