Convert SUB to VTT
Transform MicroDVD (.sub) subtitle files to WebVTT (Web Video Text Tracks) (.vtt) format
Drop your SUB (MicroDVD) file here or click to browse
Supported: .sub files (max 10MB)
Why Convert SUB to VTT?
Converting from MicroDVD to WebVTT (Web Video Text Tracks) gives you access to VTT's unique features and capabilities. Modern web standard for subtitles with HTML5 video support and advanced features
VTT is the native format for HTML5 <video> elements, ensuring perfect compatibility with modern web players.
Supports positioning, styling, and metadata for enhanced subtitle presentation.
All modern browsers natively support VTT subtitles without plugins.
Official W3C standard for web video text tracks.
Common Use Cases
- Website video players - Embed subtitles in HTML5 video content
- Web applications - Add accessibility to video streaming apps
- E-learning platforms - Provide formatted captions for educational content
- Video hosting - Prepare subtitles for modern video platforms
SUB vs VTT: Key Differences
| Feature | SUB | VTT |
|---|---|---|
| Format Type | Frame-based | Plain text |
| Time Format | Frame numbers | HH:MM:SS.mmm |
| Header | None | WEBVTT |
| Styling | Minimal | Full CSS support |
| Positioning | Bottom center | Full control |
| File Size | Small | Small to medium |
| Compatibility | DivX players | Web browsers |
How the Conversion Works
Our SUB to VTT converter automatically handles all the technical differences between formats:
- Parses SUB file structure and extracts subtitle data
- Converts time codes from SUB to VTT format
- Adds required "WEBVTT" header to the output file
- Preserves all subtitle text and timing information
- Maintains proper character encoding (UTF-8)
- Generates valid VTT file ready for use
Need the reverse?
Convert WebVTT (Web Video Text Tracks) files back to MicroDVD format
Convert VTT to SUB →Other Popular Conversions
Need a different format?
We support conversion between all major subtitle formats
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