Se valoró con 4,2 de 5
4,2 estrellas de 5
Respuesta del desarrolladorpublicado el hace 2 meses
It seems to be a bit exaggerated, to claim this extension doesn't do anything, because you can read epub files in Firefox using it. In fact, it doesn't open epub files from websites in some cases. This is due to limitations in Firefox to detect epub files.