Plain Text to TTML Converter

Convert Plain Text to TTML

Converting from Plain Text (TXT) to TTML (TTML) while maintaining timing accuracy and subtitle content.

About Plain Text to TTML Conversion

A quick guide to converting from Plain Text (.txt) to TTML (.ttml). Learn about format differences, what's preserved, and how to convert your subtitles.

Key Differences Between Plain Text and TTML

Format Structure: Plain Text uses a plain text format while TTML uses an XML-based format with styling and layout sections
Styling Support: Plain Text has no built-in styling while TTML supports comprehensive XML-based styling
Software Compatibility: Plain Text is primarily used with undefined, undefined, undefined, while TTML is commonly used with undefined, undefined, undefined
Use Cases: Plain Text is typically used for simple subtitle storage, while TTML is preferred for professional streaming platforms

Format Structure Examples

Plain Text Format Example

[00:00:01.000 - 00:00:04.000]
First line of subtitle text
Second line of subtitle text

[00:00:05.000 - 00:00:08.000]
Next subtitle block

[00:00:08.000 - 00:00:12.000]
Another subtitle with multiple lines
of text that needs to be displayed

TTML Format Example

<?xml version="1.0" encoding="utf-8"?>
<tt xmlns="http://www.w3.org/ns/ttml" 
    xmlns:ttp="http://www.w3.org/ns/ttml#parameter" 
    xmlns:tts="http://www.w3.org/ns/ttml#styling" 
    xmlns:ttm="http://www.w3.org/ns/ttml#metadata" 
    xmlns:xml="http://www.w3.org/XML/1998/namespace" 
    ttp:timeBase="media" 
    ttp:frameRate="24" 
    xml:lang="en">
  <head>
    <metadata>
      <ttm:title>Sample TTML</ttm:title>
    </metadata>
    <styling>
      <style xml:id="s1" 
             tts:textAlign="center" 
             tts:fontFamily="Arial" 
             tts:fontSize="100%"/>
    </styling>
    <layout>
      <region xml:id="bottom" 
              tts:displayAlign="after" 
              tts:extent="80% 40%" 
              tts:origin="10% 50%"/>
      <region xml:id="top" 
              tts:displayAlign="before" 
              tts:extent="80% 40%" 
              tts:origin="10% 10%"/>
    </layout>
  </head>
  <body>
    <div>
      <p xml:id="subtitle1" begin="00:00:01.375" end="00:00:05.750" 
         style="s1" region="top">TOP SAMPLE TEXT</p>
      <p xml:id="subtitle2" begin="00:00:05.916" end="00:00:10.216" 
         style="s1" region="bottom">BOTTOM SAMPLE TEXT</p>
      <p xml:id="subtitle3" begin="00:00:10.418" end="00:00:15.083" 
         style="s1" region="bottom">He had a great story.</p>
      <p xml:id="subtitle4" begin="00:00:15.391" end="00:00:20.558" 
         style="s1" region="bottom">- Did he tell you what it was about?<br/>- He did</p>
      <p xml:id="subtitle5" begin="00:00:20.750" end="00:00:25.041" 
         style="s1" region="bottom">In 1992, a shipping container<br/>fell overboard</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.

Compatible Software

Plain Text can be opened with:

TTML can be opened with:

Conversion Features with Checksub

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

Convert Your Plain Text 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.

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