PDF Document to TTML Converter

Convert PDF Document to TTML

Converting from PDF Document (PDF) to TTML (TTML) while maintaining timing accuracy and subtitle content.

About PDF Document to TTML Conversion

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

Key Differences Between PDF Document and TTML

Format Structure: PDF Document uses a fixed-layout document format while TTML uses an XML-based format with styling and layout sections
Styling Support: PDF Document maintains fixed styling while TTML supports comprehensive XML-based styling
Software Compatibility: PDF Document is primarily used with undefined, undefined, undefined, while TTML is commonly used with undefined, undefined, undefined
Use Cases: PDF Document is typically used for subtitle archiving, while TTML is preferred for professional streaming platforms

Format Structure Examples

PDF Document Format Example

Subtitle Document
-----------------

1. 00:00:01.000 - 00:00:04.000
First line of subtitle text
Second line of subtitle text

2. 00:00:05.000 - 00:00:08.000
Next subtitle block

3. 00:00:08.000 - 00:00:12.000
Another subtitle with multiple lines

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

XML-based styling
Multiple regions
Advanced metadata capabilities

Compatible Software

PDF Document can be opened with:

TTML can be opened with:

Conversion Features with Checksub

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

Convert Your PDF Document 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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