.JSS File Extension

File Type:
JACOsub Subtitle File

Having trouble opening .jss extension? Don't panic! This page explains what jss files are as well as suggests programs you may use to open jss files. You can download these programs through this page.

What is a JSS file?

Jss file extension has JACOsub Subtitle file type, developed by JACOsub, which is associated with the "video files" category.

Subtitle files generated by the JACOsub software use this extension. Each JSS file contains subtitles for a video, which are saved in a plain text format. In addition to that, JSS files also include timing sequences that specify the time to display graphic or text subtitles. The format was originally developed for overlaying English translation on Japanese video, but later developers decided to add other languages. JSS files are recognized by some video playback applications. You can also convert JSS files to other, more common, formats using subtitle editors. 

To learn how you can open the given file, read the information below.

jss file icon
File Type:
JACOsub Subtitle File
Video Files

How to open JSS file?

Double click the jss file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .jss extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the jss extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the jss file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open JSS files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the jss file as well. Download Universal File Viewer for your OS.

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