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Studio plan: a finished MP4 with the subtitles burned in
Studio exists for one reason: sometimes you do not want a subtitle file, you want the video with the subtitles already in it. This page walks that exact flow.
Studio takes the subtitle work you already produced and renders it into the video itself. The flow is three steps: upload and get subtitles, press Burned MP4, then pick the same video once more so the render has a source to burn onto.
A focused path from speech to subtitle file.
Burned-in MP4
Batch upload
Highest queue priority
Three steps
- 01
Upload your video and wait for the subtitles. This is the step that produces the lines.
- 02
Press the Burned MP4 button in the header. It needs the subtitles first — if you press it too early, it will ask you to make them.
- 03
Pick the same video once more when the file dialog opens. The render uses your existing subtitles and that source file, then hands back a finished MP4.
Why the video is uploaded twice
The tool does not keep your video: it is processed and dropped, which is the privacy promise on the front page. That is a deliberate trade.
Burning subtitles needs the pixels again, so the render asks for the file once more. The render finishes, the file is released, and nothing is stored on our side afterwards.
What the burned video contains
Which layers end up in the video follows the layers you selected when you generated the subtitles. Generating with only Chinese gives a Chinese-only burned video.
| Layer | What you see | Comes from |
|---|---|---|
| Hanzi | Chinese line at the bottom | The transcript you generated |
| Pinyin | Romanisation above it | The same transcript, aligned per character |
| English | Optional line below | The translation layer, if selected |
When the render is slow
Burning means re-encoding every frame, so it takes longer than transcription for long videos. The status bar shows progress; closing the tab does not cancel the render.
If a render fails, the subtitle file is unaffected — you can still export SRT or ASS and burn it in a local editor.
Start from a file, not an existing subtitle track.
Sign in first, then upload a local video, review the generated transcript, keep English optional, and download a subtitle file.
Studio plan questions
Can I burn only the pinyin, without the characters?
The layers come from what you generated. Generate with the layers you want in the video, then render.
Why did the button ask me to make subtitles first?
Because the render needs an existing subtitle track to burn. Upload and process the video first.
Is the original video kept for the render?
No. It is used for the render and released; nothing is stored long-term.