FeliX is a save file visualizer for the game Satisfactory. Open the .sav file and you can view a low poly 3D representation of your factory and the surrounding area. The save file is processed in your browser and not uploaded to a server.
FeliX also has some basic editing capabilities. It can convert the .sav format to a human-readable .json format. You can edit the .json file externally and then open it in FeliX to convert it back to a .sav file:
The source code for this application is available on GitHub. We are happy about any contributions. The low poly models were created by the respective authors.