Mentioning this as I’m using it myself and it is not a “must pay” service (up to 4 free dl’s / day).
It’s been exactly what I was looking for for files hosted on filefactory, speeding up downloads from their throttled 100kb/s to my connection’s max dl rate. I hope some of you may find it useful.
https://www.deepbrid.com/aff/go/revveduplikeadeuce?i=1