Hey, the site checks for .funscript file extension.
Both .funscript and .json are valid funscript files since a funscript file is a valid JSON so I will look into also allowing .json files and .txt just for convenience sake, then just need to make sure its a valid JSON and works, if not show error that the file couldn’t be processed.
What you can do right now is given the file is a valid JSON (fingers crossed) all you need to do is rename the file extension from .txt to .funscript. Assuming you’re on Windows, double-click the file to open it with Notepad, then do Ctrl+Shift+S for the ‘Save As’ function.
Then just make sure it looks like this and click save;
File name: should end with .funscript rather than .txt
Save as type: All Files