Vocnu for YouTube creators
YouTube lets channels with its Advanced features add audio tracks in other languages to their videos. Vocnu makes such a track from your video: a voice reads the translation over your original sound, or alone, in any of 35 languages, with subtitle files to match. A 10-minute video into three languages costs €1.98 to €3.00 in Standard quality, or €3.96 to €6.00 in Premium.
Uploads run in the web app in your browser, with nothing to install.
From your video to an audio track on YouTube
- Upload the video, or its sound alone, in the Vocnu app. Common formats such as MP4, MOV, MKV, WebM, MP3 and WAV work, up to 10 GB and 5 hours.
- Choose the language and the voice, "Voice-over audio" as what you get, and whether your original sound stays under the voice or is turned off.
- Check the price, which you see before anything is charged, start the job and download the audio file when it is ready.
- In YouTube Studio, open Languages, choose the video, click Add language and pick the language. Next to Dub, click Add, then Select file, and choose the file from Vocnu.
- Publish the track. YouTube plays it by default to viewers whose preferred language it is.
YouTube's help page says multi-language audio is "currently available to creators with access to Advanced features", that the file must be audio only and "roughly the same length as your video", and that where an automatic dub already exists for a language, you must delete it before you upload your own. Vocnu's audio file runs as long as the upload: in our tests on 10 November 2026, a 60-second video gave a 60.000-second M4A, and a 59.533-second recording a 59.533-second MP3.
Translate only videos you own or are allowed to translate.
Subtitles for the same video
Every job also gives you subtitles in the new language as SRT, VTT and ASS files, and a transcript of the original as an SRT file. YouTube takes SRT and VTT files under Subtitles, on the same Languages page. One job makes one language: for the next, start a new job from the same upload, which Vocnu keeps for 7 days, without uploading it again.
Your own track or YouTube's automatic dubbing
YouTube dubs some videos itself. Here is how the two compare, YouTube's side from its help pages as we read them on 10 November 2026:
| Point | A track you make with Vocnu | YouTube's automatic dubbing |
|---|---|---|
| Languages for an English video | 35, among them Lithuanian, Czech, Greek, Turkish and Vietnamese, which automatic dubbing does not offer | 20, among them Bengali, Hebrew, Malayalam, Punjabi, Tamil and Telugu, which Vocnu does not offer |
| Video length | Up to 5 hours | Not for videos longer than 120 minutes |
| Control | You choose the voice and how loud your original sound stays, and can redo a language with another voice from the same upload | "You cannot edit automatic dubs", but you can review them before they go live |
| Voices | One voice you choose reads every speaker | Expressive speech in some languages |
| Lip sync | No | Being tested with select channels |
| Cost | €1.98 to €3.00 for 10 minutes into three languages in Standard | Free |
If automatic dubbing covers your languages and you like how it sounds, use it: it costs nothing. Vocnu is for the languages it leaves out, for videos over two hours, and for when you want to choose the voice. YouTube says creators who uploaded multi-language audio tracks "saw over 25% of their watch time come from views in the video's non-primary language".
What it costs
| Quality | A minute of audio | A 10-minute video into three languages | How it sounds |
|---|---|---|---|
| Premium | €0.13 to €0.20 | €3.96 to €6.00 | Our most natural voices and finest translation |
| Standard | €0.07 to €0.10 | €1.98 to €3.00 | Clear voices and a good translation |
| Economy | €0.03 to €0.05 | €0.99 to €1.50 | A plain synthetic voice and a quick translation |
The prices run from the largest credit pack to the smallest, and the credits never expire. Each job's minutes are rounded up, so a video of 10 minutes 20 seconds is billed as 11. You are never charged more than the quote, and failed or cancelled jobs are refunded in full. A new account's free credits cover 20 minutes of Premium or 40 minutes of Standard, enough to try one video first.
When Vocnu is not the right pick
- YouTube's automatic dubbing already covers your languages and sounds right to you. It is free.
- You want the track in your own voice. Vocnu reads with its own voices; ElevenLabs and Rask AI can clone yours.
- Several people talk in your videos and you want each in a voice of their own, or you need lip sync. One Vocnu voice reads every speaker, and it does not match lips.
- Your channel does not have YouTube's Advanced features yet. Without them you cannot add an audio track, though subtitle files work on any channel.
Want to watch other channels' videos in your language instead? See Vocnu vs YouTube's automatic dubbing.