VTT Format: Web Video Subtitles
Export WebVTT subtitle files for HTML5 videos, web players, and modern streaming platforms.
WebVTT (Web Video Text Tracks) is the modern subtitle format designed for web browsers and HTML5 video players. It's similar to SRT but with additional features for web.
What is WebVTT?
VTT is a text file starting with "WEBVTT" header, followed by timed text entries. It's the standard format for HTML5 <video> and <audio> elements.
WEBVTT
00:00:00.000 --> 00:00:05.230
Hello everyone and welcome to today's podcast.
00:00:05.230 --> 00:00:09.450
Thank you for having me. It's great to be here.
00:00:09.450 --> 00:00:15.120
Let's dive right into the topic of AI transcription.VTT vs SRT: Key Differences
- Header: VTT requires "WEBVTT" at the start
- Time separator: VTT uses period (00:00:00.000), SRT uses comma (00:00:00,000)
- No sequence numbers needed in VTT
- VTT supports styling, positioning, and metadata
- VTT is the W3C standard for web
Compatible Platforms
- HTML5 video players
- YouTube
- Vimeo
- Wistia
- Video.js
- JW Player
- Plyr
- Modern web browsers
Using VTT with HTML5 Video
Add VTT subtitles to your HTML5 video player:
<video controls>
<source src="video.mp4" type="video/mp4">
<track kind="subtitles" src="transcription.vtt" srclang="en" label="English">
</video>
Best Use Cases
- Website video players
- E-learning platforms
- Video streaming services
- Accessibility compliance (WCAG)
- YouTube and Vimeo uploads
- Mobile-friendly subtitles
Pro Tip
VTT is the recommended format for web applications. Use SRT for traditional video editing software.
Character Encoding
All VTT files are exported in UTF-8 encoding with full Unicode support for international languages.
Accessibility Benefits
WebVTT subtitles improve accessibility for:
- Deaf and hard-of-hearing viewers
- Non-native language speakers
- Watching in sound-sensitive environments
- Search engine indexing of video content
- Meeting WCAG 2.1 Level AA compliance
Tags
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