Change the speed and pitch of streaming music and videos, independently.
Music Speed Changer Extension
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 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, YouTube Music, Spotify, Apple Music, 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.
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+ 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, YouTube Music, Spotify, Apple Music, 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.
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Music Speed Changer", "version": "0.9.1", "minimum_chrome_version": "72", "description": "Change the speed and pitch of streaming music and videos, independently.", "permissions": ["activeTab", "tabCapture"], "browser_action": { "default_popup": "popup.html", "default_icon": { "16": "images/music_speed_changer16.png", "32": "images/music_speed_changer32.png", "48": "images/music_speed_changer48.png", "128": "images/music_speed_changer128.png" } }, "background": { "scripts": ["superpowered-worker.js", "background.js"], "persistent": true }, "icons": { "16": "images/music_speed_changer16.png", "32": "images/music_speed_changer32.png", "48": "images/music_speed_changer48.png", "128": "images/music_speed_changer128.png" }, "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgyq1PEyEFOwHfWdGby8Es+2PZz+J0kci18fdohVQa57Ba4NYfdAX2fCPV+vXjON/CF+KiCOqfb7/bFmmRs0balDj8sF6U8/jhLKZ6TETZvJYT8SIOGwmpWaCnNBwCEWP+ag0cZ/TFbymYthYs7qkOoeurfmKYSj84wj0xrZkj+mIKlDVRnMKC7Y40DeyzSk+egyP+E6EkzaHAOBvi0DwlIqJT/dMvIZcH6hVz9ni7Y02t7FNHH03mmS+TK1g97Onwdy5GRTf/PB6/wWXB+QO/JC0mabTEeeadixxAQ8Qh08Id8A8cxMkxWNScAjabNE+h2GOvgmIMctrdmw56JZxawIDAQAB", "manifest_version": 2, "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"}
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