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Convert SubViewer to Advanced SubStation Alpha

Convert SubViewer to Advanced SubStation Alpha

/subviewer-to-ass

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About SubViewer to Advanced SubStation Alpha Conversion

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

    Key Differences Between SubViewer and Advanced SubStation Alpha

    • Format Structure: SubViewer uses a header-based format with simple timing while Advanced SubStation Alpha uses a multi-section format with styling and events
    • Styling Support: SubViewer provides basic styling through header definitions while Advanced SubStation Alpha offers advanced styling and animation features
    • Software Compatibility: SubViewer is primarily used with undefined, undefined, undefined, while Advanced SubStation Alpha is commonly used with undefined, undefined, undefined
    • Use Cases: SubViewer is typically used for legacy video players, while Advanced SubStation Alpha is preferred for anime and complex styled subtitles

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

Advanced SubStation Alpha Format Example

[Script Info]
Title: Example ASS File
ScriptType: v4.00+

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.00,0:00:04.00,Default,,0,0,0,,First line of subtitle text\NSecond line of subtitle text
Dialogue: 0,0:00:05.00,0:00:08.00,Default,,0,0,0,,Next subtitle block

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.

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Compatible Software

SubViewer can be opened with:

Advanced SubStation Alpha can be opened with:

Conversion Features with Checksub

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

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