CueConvertLocal · Free batch · No signup
VTT to SBV
ReverseSBV → VTT
Convert WebVTT to YouTube SBV without leaving your browser.
Files stay in your browser. Nothing is uploaded to a server.
Drop VTT files here
one file, or a free batch · .vtt
5 MB per file · 50 files and 30 MB per batch
How it works
- 1Drop one or more VTT files (or click to choose several)
- 2Click Convert to SBV
- 3Preview if you like, then download. A batch is free and comes back as one zip
Good for
Web / LMS VTT → YouTube upload
Captions started on a course site or CMS as VTT; you need SBV to attach them in YouTube Studio.
Same dialogue on web and YouTube
Keep VTT as the web source of truth, then produce SBV when the same video goes to YouTube.
Private convert before Studio
Avoid uploading draft VTT to unknown converters; turn it into SBV locally, then publish.
FAQ
Are my files uploaded?
No. Conversion runs in your browser. CueConvert does not require an account and does not upload subtitle files for conversion.
Does a batch cost extra?
No. A batch is free, with no account, same as one file. Successes download as one zip. Failures are listed on their own.
Will timing and text stay accurate?
We aim to keep readable text and timing. After convert, use the preview to check cues, then download SBV.
What if Chinese text looks garbled?
We try to detect file encoding automatically. If it still looks wrong, re-save as UTF-8 locally, then drop the file again.
What is SBV?
SBV is YouTube Studio’s caption format. Editors and players more often use SRT; web players often use VTT.
Can I convert SBV back to VTT?
Yes. Use the reverse link below this page when that route is live, or open it from the Tools menu.