VTT Converter

VTT to TTML Converter

Convert WebVTT subtitle files to Timed Text Markup Language (TTML) format for broadcasting and professional video applications. Adds XML structure and basic styling.

Input (VTT)
Paste your VTT content or upload a file

Drag and drop your VTT file here, or click to select

Output (TTML)
Your converted TTML subtitle file
VTT (WebVTT) Format
Modern web standard for HTML5 video subtitles with good styling support for web platforms.
  • Native HTML5 video support
  • CSS styling capabilities
  • Basic positioning control
  • Voice annotations support
  • Web browser compatibility
TTML (Timed Text Markup Language) Format
W3C standard XML-based format for timed text with advanced styling and layout capabilities.
  • XML-based structure
  • Advanced styling with CSS
  • Precise layout control
  • Multiple language support
  • Broadcasting industry standard

Enhanced Format

Converting from VTT to TTML enhances your subtitles with XML structure and professional formatting. The output includes proper TTML namespaces, basic styling, and structure ready for further customization.

Why Convert VTT to TTML?

Broadcasting Workflows

TTML is the preferred format for professional broadcasting and television workflows. Converting enables integration with broadcast automation systems and subtitle editors.

Advanced Styling Support

TTML provides much more sophisticated styling options than VTT, including precise positioning, custom fonts, and complex layout controls for professional productions.

Standards Compliance

Many industry standards and regulations require TTML format for subtitle delivery, especially in broadcasting and accessibility compliance scenarios.

Future Enhancement

Converting to TTML provides a foundation for adding advanced features like multi-language support, complex styling, and precise layout controls.

TTML Output Features

XML Structure

  • • Proper XML declaration
  • • TTML namespaces
  • • Head and body sections
  • • Structured paragraphs

Basic Styling

  • • Default style definitions
  • • Font family specification
  • • Color and size settings
  • • Ready for customization

Timing Preservation

  • • Precise begin/end times
  • • Millisecond accuracy
  • • Original timing intact
  • • Sequential ordering

Professional Applications

Broadcasting Industry

Television stations and streaming services often require TTML for subtitle delivery, closed captioning, and accessibility compliance in professional environments.

Content Distribution

TTML is used by content delivery networks and professional video platforms for distributing subtitles with advanced formatting and multi-language support.