Convert JSON to VTT
Transform JSON Array (.json) subtitle files to WebVTT (Web Video Text Tracks) (.vtt) format
Drop your JSON file here or click to browse
Supported: .json files (max 10MB)
Why Convert JSON to VTT?
Converting from JSON Array 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
JSON vs VTT: Key Differences
| Feature | JSON | VTT |
|---|---|---|
| Format Type | Structured data | Plain text |
| Time Format | Milliseconds or HH:MM:SS | HH:MM:SS.mmm |
| Header | JSON array | WEBVTT |
| Styling | Metadata only | Full CSS support |
| Positioning | Data fields | Full control |
| File Size | Medium | Small to medium |
| Compatibility | APIs and developers | Web browsers |
How the Conversion Works
Our JSON to VTT converter automatically handles all the technical differences between formats:
- Parses JSON file structure and extracts subtitle data
- Converts time codes from JSON 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 JSON Array format
Convert VTT to JSON →Other Popular Conversions
Need a different format?
We support conversion between all major subtitle formats
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