Back to Converter

Convert SubViewer to DFXP

Convert SubViewer to DFXP

/subviewer-to-dfxp

Convert Now

About SubViewer to DFXP Conversion

A quick guide to converting from SubViewer (.sub) to DFXP (.dfxp). Learn about format differences, what's preserved, and how to convert your subtitles.

    Key Differences Between SubViewer and DFXP

    • Format Structure: SubViewer uses a header-based format with simple timing while DFXP uses an XML-based distribution format
    • Styling Support: SubViewer provides basic styling through header definitions while DFXP offers XML-based styling features
    • Software Compatibility: SubViewer is primarily used with undefined, undefined, undefined, while DFXP is commonly used with undefined, undefined, undefined
    • Use Cases: SubViewer is typically used for legacy video players, while DFXP is preferred for online video distribution

Format Structure Examples

SubViewer Format Example

[INFORMATION]
[TITLE]Example SubViewer File
[AUTHOR]Subtitle Editor
[SOURCE]Movie Title
[PRG]Subtitle Editor
[FILEPATH]movie_subtitles.sub
[DELAY]0
[CD TRACK]0
[COMMENT]Example subtitle file
[END INFORMATION]
[SUBTITLE]
[COLF]&HFFFFFF,[STYLE]bd,[SIZE]18,[FONT]Arial

00:00:01.00,00:00:04.00
First line of subtitle text|Second line of subtitle text

00:00:05.00,00:00:08.00
Next subtitle block

00:00:10.00,00:00:15.00
This is another subtitle|With multiple lines of text

DFXP Format Example

<?xml version="1.0" encoding="utf-8"?>
<tt xml:lang="en" xmlns="http://www.w3.org/ns/ttml"
    xmlns:tts="http://www.w3.org/ns/ttml#styling"
    xmlns:ttm="http://www.w3.org/ns/ttml#metadata">
  <head>
    <styling>
      <style xml:id="defaultCaption" 
             tts:fontSize="10" 
             tts:fontFamily="SansSerif"
             tts:fontWeight="normal" 
             tts:fontStyle="normal"
             tts:textDecoration="none" 
             tts:color="white"
             tts:backgroundColor="black" />
    </styling>
  </head>
  <body>
    <div style="defaultCaption" xml:lang="en">
      <p begin="00:00:03.400" end="00:00:06.177">In this lesson, we're going to<br />be talking about finance.</p>
      <p begin="00:00:06.177" end="00:00:10.009">One of the most important aspects<br />of finance is interest.</p>
    </div>
  </body>
</tt>

What's Preserved in Conversion

  • Timing information and synchronization
  • Text content and line breaks
  • Basic text formatting
  • Character encoding
  • Language identification

What's Lost in Conversion

  • No features are lost in this conversion. The target format supports all capabilities of the source format.

Generate Subtitles with AI

Skip the manual work! Let our AI automatically generate accurate subtitles for your videos. Checksub's advanced AI technology creates professional-quality subtitles in minutes, saving you hours of work.

Try AI Subtitles

Compatible Software

SubViewer can be opened with:

DFXP can be opened with:

Conversion Features with Checksub

  • Automatic SubViewer format detection
  • Precise timing conversion from SubViewer to DFXP
  • Smart text formatting adaptation
  • Character encoding handling (UTF-8, Unicode)
  • Format-specific optimizations for DFXP
  • Error checking and validation

Convert Your SubViewer File Now

Ready to convert your subtitles? Our converter maintains timing accuracy and proper formatting while ensuring the best possible compatibility with your target platform.

Convert to DFXP