File Extension j

Find out what programs can help open, view, play or convert your j files.

Opening j files
JAR Archive

Did your computer fail to open a j file? We explain what j files are and recommend software that we know can open or convert your j files.

Sponsored Link

Did you enjoy using our free file extension finder service? Please help us continue to make this service free by leaving us a good review at TrustPilot. You can write a quick review by going to It takes less then 2 minutes to give us a positive review and we love to read about our user experiences.

What is j file?

Compressed file archive created with JAR, the successor to the ARJ file compression program (which created .ARJ files)

Software that will open, convert or fix j files

Sponsored Link