The Featherweight Charm (incantation unknown) was a charm used to make heavy objects lighter. Harry Potter contemplated using this charm in the summer of 1993 after leaving Privet Drive following the accidental inflation of his Aunt Marge so that he could carry his trunk by broom to Diagon Alley and, subsequently, Gringotts. This also may have been used in 1997 on Hermione Granger's Bag to make it lighter. (it is unknown weather the Undetectable Extension Charm has the effect.
Appearances
- Harry Potter and the Prisoner of Azkaban (First mentioned)
- Harry Potter and the Deathly Hallows (Possibly)