The *.st1 file extension is related to the DigiTitle Master and used for its subtitle files.

There is one other file type using
the ST1 file extension!

st1 file icon.st1 - SPICE Status file

Detailed description

Software that works with st1 file extension

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ST1 file extension - DigiTitle Master subtitle file

What is st1 file? How to open st1 files?

File type specification:

Text file type icon Text file type

The ST1 file extension is associated with DigiTitle Master, a subtitling system for Microsoft Windows operating system developed by Converge Horizons. The *.st1 file contains subtitles stored in DigiTitle Master format.

The default software associated to st1 file type:

DigiTitle Master  Microsoft Windows software

Company or developer:
  Converge Horizons

DigiTitle Master is a dedicated on-air subtitling system by Converge Horizons. Still available, yet seems a little out-dated software.

Related articles:

Best free software for movie subtitle editing

Help how to open ST1 files:

Use DigiTitle Master to open *.st1 subtitle files.

How to convert file with extension ST1:

Currently there is no specific information available, about how to convert this file extension.

For general information try to look at:
Basic info how to convert text files

List of software applications associated to the .st1 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open st1 file, edit st1 file, convert st1 file, view st1 file, play st1 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the st1 files.

  • Open st1 file
  • Create st1 file

Software that open st1 file - DigiTitle Master subtitle file

Click on the link to get more information about DigiTitle Master for open st1 file action.

Microsoft Windows:

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