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WebVTT Caption Generator
Create .vtt caption files for websites, HTML5 video players and course platforms in minutes.
Drop a video or audio file
MP4, MOV, WEBM, MP3, WAV · up to 10 min on Free · no signup
01
Upload
Drop a video or audio file. It never leaves your device.
02
Edit & style
Fix any word, pick a caption style, adjust size and position.
03
Export
Download SRT/VTT free, or an MP4 with captions burned in.
What is a VTT file?
WebVTT is the caption format built for the web. It works with the HTML5 <track> element, Vimeo, Wistia, most LMS platforms and modern players.
SRT or VTT?
Use VTT for websites and web players, and SRT for editing software and YouTube. You can download both from the same project.
FAQ
Frequently asked questions
How do I add a VTT file to an HTML5 video?+
Add a <track kind="captions" src="captions.vtt" srclang="en" default> element inside your <video> tag.
Is it really free?+
Yes. You can transcribe up to 30 minutes a day, edit your captions and download SRT, VTT or TXT files for free with no watermark. Exporting a video with burned-in captions is free at 720p with a small watermark; paid plans unlock 1080p, 4K and no watermark.
Is my video uploaded to your servers?+
No. Your video is processed entirely in your browser. Only a compressed audio track is sent for transcription, and it isn't stored afterwards.