How to open GPJ files
Did your computer fail to open a GPJ file? We explain what GPJ files are and recommend software that we know can open or convert your files.
What is a GPJ file?
GPJ files are jGRASP Project files, which you can read more about below.
The GPJ file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a GPJ opener may not be able to open all kinds of GPJ files. In this case, though, we only know of one specific use.
jGRASP Project
Through our analysis of GPJ files, we know that one use of the format is jGRASP Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
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GPJ file openers, viewers, etc.
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 |
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.