How to open Japanese language translation .ja files
Have you had trouble opening the ja file on your computer? What are ja files? We explain what they are and recommend software that we know will open them.
What is ja file?
A ja file extension is related to the Japanese language translation files used by many software programs.
Japanese language translation description
The ja file extension is often used by various programs for localization files with Japanese language translations.
The *.ja files are often in just simple text or XML format and contain localized text.
Suggested software to open ja file

Sublime Text
A sophisticated source code editor for programmers
There are other JA filename extensions with the same .ja suffix
ja - Mozilla archive
A ja file extension is related to archive format used by Mozilla Firefox and other web browsers. A ja file contains various internal parts of web browser.
ja - Trainz Railroad Simulator game data
A ja file extension is related to the Trainz Railroad Simulator, computer game. A ja file contains game data.