Free Caption Converter Tool 🗂️

Convert Captions or Subtitle Files to Different Formats Online

Start Converting Caption Files 📹

The caption converter lets you convert from SRT (SubRip subtitle) or from SBV to:

  • Flash DFXP
  • SMI or SAMI (Windows Media)
  • SCC
  • CPT.XML (Flash Captionate XML)
  • QT (QuickTime)
  • STL (Spruce Subtitle File)
  • WebVTT (HTML5 media players)

⚠️Note that for the SCC format, your input file must have 32 characters or less per line.

Need more caption formats or bulk processing? Try our caption import tool.

To convert your caption file, please open it in a text editor, then copy and paste the text of your caption file into the space provided below.



Caption and Subtitle Formats Explained 🗃️

  • CAP – This is a common subtitle/caption file format for broadcast media. It was developed by Cheetah International.
  • CPT.XML – XML format used for encoding captions into Flash video. It originated in the caption-embedding software Captionate.
  • DFXP – This is the most common format used for captioning Flash video. It’s a timed-text format that was developed by W3C and stands for “Distribution Format Exchange Profile.”
  • EBU.STL – This is a common subtitle/caption file format for PAL broadcast media. It was developed by the European Broadcast Union.
  • QT – Caption format used for QuickTime video or audio. It was developed by Apple.
  • RT – RealText captions for RealMedia video or audio.
  • SAMI (SMI) – Used for Windows Media video or audio. It was developed by Microsoft and stands for “Synchronized Accessible Media Interchange.”
  • SBV – This is a YouTube caption file format that stands for “SubViewer.” It’s what you get when you download captions from YouTube. It’s a text format that is very similar to SRT.
  • SCC – Popular standard used for Line 21 broadcast closed captions, web media, DVD, as well as subtitles for iTunes, iPods, iPads, and iPhones. It was originally developed by Sonic and stands for “Scenarist Closed Caption.”
  • SRT – This is the most common subtitle/caption file format, especially for YouTube or Facebook captioning. It is a text format that originated in the DVD-ripping software SubRip and stands for “SubRip Subtitle” file.
  • STL – Used for DVD Studio Pro. It was developed by Spruce Technologies and known as “Spruce Subtitle File.”
  • WebVTT – Caption format for HTML5 media players.

Need to Convert Other Caption / Subtitle Formats? 🎞️

Our caption import tool lets you convert to more than 50 caption/subtitle formats. You can even change the frame rate and starting timecode.

Convert, Manage, & Maximize Your Caption Files

Download 50+ Formats
Change the SMPTE frame rate and starting time code
Searchable Captions
Make your captions searchable across entire libraries
Translate to 40+ Languages
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Interactive Transcripts
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Edit Captions
Make edits to your captions or translations within the account
Secure Management
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