Why You Need a Subtitle Format Converter

Working with video subtitles often means dealing with different format requirements. YouTube prefers SRT, your video player needs VTT, and your professional editing software requires ASS format. Manually converting between these formats is tedious and error-prone.

That's why we built a free subtitle format converter right into Zorg Subtitle. Whether you're a content creator, video editor, or translator, you can now convert subtitle files between any format in seconds.

Supported Subtitle Formats

Our converter supports all major subtitle formats used across the industry:

SRT (SubRip Text)

The most universal subtitle format. SRT files are plain text with simple time codes and work with virtually every video player and platform including YouTube, Vimeo, and Facebook.

Best for: YouTube uploads, general video sharing, maximum compatibility

VTT (WebVTT)

Web Video Text Tracks format is the standard for HTML5 video players. VTT supports advanced features like positioning and styling while maintaining broad browser support.

Best for: Website video players, HTML5 video elements, modern web platforms

ASS/SSA (Advanced SubStation Alpha)

Professional subtitle format with rich styling capabilities. ASS supports custom fonts, colors, positioning, effects, and animations.

Best for: Professional video production, anime and fansubbing, advanced styling requirements

STT, SUB, and JSON

Additional formats for specific use cases including enterprise platforms, frame-based editing, and programmatic access.

How to Use the Free Subtitle Converter

Converting subtitle files is simple:

1. Upload your file - Drag and drop or click to browse

2. Select formats - Choose source and target formats (or use auto-detect)

3. Convert - Instant processing in seconds

4. Download - Save your converted file

The entire process takes less than 10 seconds!

Key Features

Auto-format detection - Not sure what format you have? We'll detect it automatically
Instant conversion - No waiting, results in seconds
Free for registered users - Unlimited conversions with a free account
Preserve timing - Accurate time code conversion maintains sync
No file size limits - Convert any practical subtitle file size

All Supported Subtitle Conversions

Looking for a specific conversion? We support all possible conversions between major subtitle formats. Choose your conversion pair below:

From SRT (SubRip Text)

**Convert SRT to VTT** - Transform SubRip files to WebVTT for web players
**Convert SRT to ASS** - Add professional styling to SubRip subtitles
**Convert SRT to SSA** - Add basic styling with SubStation Alpha
**Convert SRT to SUB** - Convert to MicroDVD frame-based format
**Convert SRT to STT** - Convert to Sprinklr Text format
**Convert SRT to JSON** - Convert to JSON array for APIs and developers

From VTT (WebVTT)

**Convert VTT to SRT** - WebVTT to SubRip for universal compatibility
**Convert VTT to ASS** - Upgrade web subtitles with advanced styling
**Convert VTT to SSA** - WebVTT to SubStation Alpha with styling
**Convert VTT to SUB** - WebVTT to MicroDVD format
**Convert VTT to STT** - WebVTT to Sprinklr Text format
**Convert VTT to JSON** - WebVTT to JSON array for programmatic access

From ASS (Advanced SubStation Alpha)

**Convert ASS to SRT** - Simplify styled subtitles for universal compatibility
**Convert ASS to VTT** - Make professional subtitles web-compatible
**Convert ASS to SSA** - Downgrade to basic SubStation Alpha
**Convert ASS to SUB** - Advanced SubStation to MicroDVD
**Convert ASS to STT** - Advanced SubStation to Sprinklr Text
**Convert ASS to JSON** - Advanced SubStation to JSON format

From SSA (SubStation Alpha)

**Convert SSA to SRT** - SubStation Alpha to simple SubRip format
**Convert SSA to VTT** - SubStation Alpha to web-compatible WebVTT
**Convert SSA to ASS** - Upgrade to Advanced SubStation Alpha
**Convert SSA to SUB** - SubStation Alpha to MicroDVD
**Convert SSA to STT** - SubStation Alpha to Sprinklr Text
**Convert SSA to JSON** - SubStation Alpha to JSON format

From SUB (MicroDVD)

**Convert SUB to SRT** - MicroDVD to SubRip for compatibility
**Convert SUB to VTT** - MicroDVD to web-compatible WebVTT
**Convert SUB to ASS** - Add advanced styling to MicroDVD subtitles
**Convert SUB to SSA** - MicroDVD to SubStation Alpha
**Convert SUB to STT** - MicroDVD to Sprinklr Text
**Convert SUB to JSON** - MicroDVD to JSON array format

From STT (Sprinklr Text)

**Convert STT to SRT** - Sprinklr Text to SubRip format
**Convert STT to VTT** - Sprinklr Text to WebVTT
**Convert STT to ASS** - Sprinklr Text to Advanced SubStation
**Convert STT to SSA** - Sprinklr Text to SubStation Alpha
**Convert STT to SUB** - Sprinklr Text to MicroDVD
**Convert STT to JSON** - Sprinklr Text to JSON array format

From JSON (JSON Array)

**Convert JSON to SRT** - JSON array to SubRip format
**Convert JSON to VTT** - JSON to WebVTT for web players
**Convert JSON to ASS** - JSON to Advanced SubStation Alpha
**Convert JSON to SSA** - JSON to SubStation Alpha
**Convert JSON to SUB** - JSON to MicroDVD format
**Convert JSON to STT** - JSON to Sprinklr Text format

Get Started

Ready to convert your subtitle files? Try the converter now - it's free with a registered account.

Beyond format conversion, Zorg Subtitle also offers AI-powered transcription, translation to 100+ languages, and video export with burned-in subtitles.

Convertidor gratuito de formatos de subtítulos: convierte SRT, VTT, ASS y más instantáneamente