The leader line spooling device is an apparatus that allows the length of a leader line to be adjusted while accommodating a variety of fishing line accessories such as ornaments, fishing bobbers, and weights. The apparatus includes a flexible wire, a cap, a spool, an eyelet hook, and a fishing line hole. The flexible wire contains the variety of fishing line accessories while allowing the fishing line accessories to slide and increase the chances of visually attracting nearby fish. The cap connects the flexible wire to the spool. The spool contains extra additional leader line that may or may not be used. The eyelet hook contains and secures leader line that is most likely going to be used. The fishing line hole allows the leader line to be connected to the spool. The apparatus preferably includes a notch that secures the leader line to the eyelet hook.