SUB File Type

- The quick facts

What are SUB files and how to open them

Are you having problems opening a SUB file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a SUB file?

SUB files have multiple uses, and DVD Subtitles is one of them.

DVD Subtitles

Files that use the .sub file extension are usually files that store movie subtitles. These files contain data about the movie subtitles, such as the subtitle text, the point at which each subtitle should be displayed, and information about the corresponding video file.

It is important to note that the SUB file does not contain any actual video data. Just the references for the subtitle information.

There are several different subtitle authoring and ripping applications that use the SUB file extension on supported files, although the formats may not be compatible. Try out a few different apps to see which one can open yours.

How to open SUB files

We have identified 5 SUB openers that are compatible with this specific type of SUB file.

Programs that open DVD Subtitles files

VLC Media PlayerVLC Media PlayerVerified
Jubler Subtitle EditorJubler Subtitle EditorVerified
Subtitle WorkshopSubtitle WorkshopVerified

Last updated: March 26, 2022

All known file formats using extension .SUB

While DVD Subtitles is a popular type of SUB-file, we know of 3 different uses of the .SUB extension. Different software may use files with the same extension for different types of data.

CloneCD CD Image Subchannel Data

We know that one SUB format is CloneCD CD Image Subchannel Data. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

SUB opener for Windows

We have identified one SUB opener that is compatible with this specific type of SUB file.


More file formats using the SUB extension

Through our research of SUB files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Philips SVCD Designer Subtitles

Various apps that use files with this extension

These apps are known to open certain types of SUB files. Remember, different programs may use SUB files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Final Media PlayerFinal Media PlayerUser submitted
KMPlayerKMPlayerUser submitted
PotPlayerPotPlayerUser submitted
ChocoPlayerChocoPlayerUser submitted
GOM PlayerGOM PlayerUser submitted
RealPlayerRealPlayerUser submitted
ALPlayerALPlayerUser submitted
SPlayerSPlayerUser submitted
PotplayerBitsPotplayerBitsUser submitted
adrenalinadrenalinUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about SUB file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.