Can't upload on to sketchfab

I keep getting an error 13 message that sketchfab can't read my .blend file...not sure what I'm doing wrong. is there some other way I can submit my work?
  • Omar Domenech replied

    According to their website:

    Error-13.png

    Try exporting it as an OBJ

    1 love
  • raspora replied

    i saved it as obj then drop both obj and MTL file than worked like a charm. 

    • 👌
    1 love
  • Mohamed Al Khalifa(Moe) replied

    Finally figured it out lol