Transpose / Speed / Reverb - Shifter by LmExtensions
Change pitch and speed, plus 13 audio effects such as reverb, bass boost, 8D audio, chorus, lo-fi, vocal boost and more - for YouTube, Spotify and Apple Music (pitch changer) (pitch shifter)
218 Users218 Users
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About this extension
Full Compatibility with YouTube / Spotify / Apple Music.
Partial Compatibility with Amazon Music and SoundCloud.
--UPDATES--
● Overwhelmingly better sound quality through the "Speed Correction" mode, affecting both the speed slider and the semitones slider.
● Added an "Advanced" button, with features such as, Bass, Treble, Chorus, Lo-Fi (Low-Pass), 3D Widener, Punch (Compressor), Air (Brilliance), Sub-Bass, Echo (Delay), Vocal Boost, 8D Audio, Pan.
● Added a Reverb slider.
● Added compatibility for Apple Music.
● Added partial compatibility for SoundCloud and Amazon Music.
--BUG FIXES--
● Switching songs on Spotify no longer resets the Transpose/Pitch settings.
● No longer effects every tab on your browser.
● Implemented an On/Off button on the UI allowing users to bring back the selected sites native playback speed settings if wanted.
● Fixed a bug where Spotify randomly mutes when changing songs too fast, requiring a page refresh.
--WARNINGS--
● When disabling the extension through the UI, your current tab will be refreshed to prevent bugs, by default the extension is disabled.
Partial Compatibility with Amazon Music and SoundCloud.
--UPDATES--
● Overwhelmingly better sound quality through the "Speed Correction" mode, affecting both the speed slider and the semitones slider.
● Added an "Advanced" button, with features such as, Bass, Treble, Chorus, Lo-Fi (Low-Pass), 3D Widener, Punch (Compressor), Air (Brilliance), Sub-Bass, Echo (Delay), Vocal Boost, 8D Audio, Pan.
● Added a Reverb slider.
● Added compatibility for Apple Music.
● Added partial compatibility for SoundCloud and Amazon Music.
--BUG FIXES--
● Switching songs on Spotify no longer resets the Transpose/Pitch settings.
● No longer effects every tab on your browser.
● Implemented an On/Off button on the UI allowing users to bring back the selected sites native playback speed settings if wanted.
● Fixed a bug where Spotify randomly mutes when changing songs too fast, requiring a page refresh.
--WARNINGS--
● When disabling the extension through the UI, your current tab will be refreshed to prevent bugs, by default the extension is disabled.
Rated 5 by 2 reviewers
Permissions and data
Required permissions:
- Access your data for sites in the youtube.com domain
- Access your data for sites in the soundcloud.com domain
- Access your data for sites in the amazon.com domain
- Access your data for sites in the amazon.co.uk domain
- Access your data for sites in the amazon.de domain
- Access your data for sites in the amazon.fr domain
- Access your data for sites in the amazon.es domain
- Access your data for sites in the amazon.it domain
- Access your data for sites in the amazon.ca domain
- Access your data for sites in the amazon.co.jp domain
- Access your data for sites in the amazon.com.au domain
- Access your data for open.spotify.com
- Access your data for music.apple.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 3.5.6
- Size
- 75.44 KB
- Last updated
- 19 hours ago (Jul 27, 2026)
- Related Categories
- License
- The Unlicense
- Version History
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