Music Speed Changer

Change the speed and pitch of streaming music and videos, independently.

Realtime audio processing and looper for music practice. + Pitch shifting- change audio and video pitch up or down 12 semi-tones, in whole or fractional semi-tones. + Time stretching - Change the speed of online videos and streaming music sites from 25% to 250% of original speed. + Change the speed of any other web audio from 25% to 100% of original speed. + Set loop points and practice sections over and over. + Completely free. + Doesn't require intrusive permissions, only captures the audio on the active tab when you click on the extension icon.