Zro7Zro7/Youtube Auto Caption

Auto captions

Generate .vtt captions for any video — YouTube style.

Runs entirely in your browser. Files never leave your device.
Preparing…
First run downloads ~40 MB. Cached for later.

Drop a video file

Single file

How it works

  1. 1

    Drop a video

    Add the source video file.

  2. 2

    Transcribe

    Whisper produces timed segments.

  3. 3

    Download .vtt

    Upload it to YouTube Studio's subtitles panel.

Frequently asked questions

Do I need a YouTube account?

No. Zro7 generates a .vtt file locally that you upload to YouTube Studio yourself.

Does YouTube accept the file?

Yes — WebVTT is one of the officially supported subtitle formats.

Can I generate translations?

Yes, via the Translate speech tool for English targets.

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