★ 1.4k
August 2026
Apache-2.0
Translation & language
What we checked ourselves
Not copied from the project's own blurb. These are things we opened and verified, with the date.
- 6 Sept 2026We checked that the link to the project still resolves.
- 13 Sept 2026We read the licence text itself (LICENSE). No unusual restrictions were stated.
- 31 Aug 2026We read the project's own documentation and found no sign that development has stopped.
Where this sits among the 26 tools we list in Translation & language
- No API key required20 of 26
- Keeps your data on your own machine12 of 26
- Commercial use confirmed as allowed22 of 26
- Requires terminal commands20 that do not →
Only 10 of the 26 meet all of the conditions above.
Counted from our own checks: every tool we list is examined against the same criteria.
What it does
Feed it a video and it translates the speech, generates audio in the target language, and lines it up with the original timing, with separate voices per speaker if you want them. Runs from a browser UI locally or via the provided Colab notebook if you lack the GPU. Two error-prone steps stack here, so review before publishing — and never recreate a real person's voice speaking words they didn't say. The hosted demo Space was paused as of 2026-08-17. Apache-2.0.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals

Before you start
- Setup difficultySome setup needed
- Command lineRequired
- API keyNot required
- Sends data onlineNo
Judged automatically from the project's own metadata. Always confirm on the official page.
SoniTranslate FAQ
- Is SoniTranslate free?
- Yes. It runs on your own machine, so there is no usage-based cost either.
- Do I need to install anything or write code to use SoniTranslate?
- It needs the command line. If you are not comfortable typing commands, expect to get stuck during setup.
- Does SoniTranslate work on a phone?
- No. It needs a computer.
- Can I use SoniTranslate commercially?
- The licence is Apache-2.0, which permits commercial use. Conditions such as keeping the copyright notice still apply, so read the licence text before shipping it inside something.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| SoniTranslate (this page) | Required | Not needed | No | No | Yes |
| video-dubbing | Not needed | Not needed | Yes | Yes | Not verified |
| Auto-Synced-Translated-Dubs | Required | Required | Yes | No | Yes |
| LibreTranslate | Required | Required | No | No | Yes |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.