GPJ File Type
- The quick factsWhat are GPJ files and how to open them
Are you having problems opening a GPJ 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 GPJ file?
A .GPJ file is a JGRASP Project file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open GPJ files
Important: Different programs may use files with the GPJ file extension for different purposes, so unless you are sure which format your GPJ file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested 10 different GPJ openers which you will find listed below.
Last updated: December 17, 2014
Various apps that use files with this extension
These apps are known to open certain types of GPJ files. Remember, different programs may use GPJ files for different purposes, so you may need to try out a few of them to be able to open your specific file.
![]() | B's Recorder | User submitted |
![]() | GX Developer | User submitted |
![]() | B's Recorder GOLD9 | User submitted |
![]() | B's Recorder GOLD5 | User submitted |
![]() | B's Recorder GOLD9 PLUS | User submitted |
![]() | jGRASP | User submitted |
![]() | Gertrudis Pro | User submitted |
![]() | GX Developer-FX | User submitted |
![]() | gINT | User submitted |
![]() | MULTI Debugger | User submitted |
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about GPJ file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.