This nifty free VST features a pitch knob that can be tweaked from a range of +3 full octaves to -3 octaves of the original pitch. There is more tweakage to be had as the pitch of the incoming signal can be controlled via a pitch knob or a sync to host LFO. Pitch Shifter is a VST plugin that can be used with any compatible host application in order to raise or lower the original pitch of an audio signal. It is intended for music creators, helping them.