Music Speed Changer Browser Extension, Change Tempo and Pitch of Music, Audio and Video, Independently

Change the speed and pitch of streaming video and audio, independently

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 some 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.
Tested on YouTube, Vimeo, Apple Music, YouTube Music, Spotify, Pandora, Deezer, Google Play Music.
Completely free.
Doesn't require intrusive permissions, only captures the audio on the active tab when you click on the extension icon.

MUSIC SPEED CHANGER EXTENSION FUNCTIONALITY

Streaming Audio/Video

Music Speed Changer Extension allows you to change the speed of streaming audio/video in real time without affecting the pitch (time stretch), or change the pitch without changing the speed (pitch shift).
Youtube Music Speed Change Functionality

Works with non-HTML5 streaming Audio/Video

Music Speed Changer Extension also works with non-HTML5 audio and video. The page stream goes out of sync when the tempo is slowed below 100%. Easily resync to current page stream by clicking on the Sync button. See our FAQs for a more detailed explanation.
Streaming Audio/Video Slow Down Tempo