PitchShifter version history - 7 versions
PitchShifter by rive
PitchShifter version history - 7 versions
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.1.4
Released Oct 10, 2026 - 123.23 KBWorks with firefox 140.0 and later, android 142.0 and later1.1.4- Restores the media capture and playback-speed handling from 1.1.0, reverting the preventive capture filters introduced by the 1.1.1–1.1.3 hotfixes following reports that Pitch, Microtones and Reverb stopped working.
- Some cross-origin media can still become silent when effects are enabled. This original compatibility issue remains under investigation; see Limitations.
Source code released under All Rights Reserved
Older versions
Version 1.1.3
Released Oct 8, 2026 - 123.65 KBWorks with firefox 140.0 and later, android 142.0 and later1.1.3- Restores Pitch, Microtones and Reverb for YouTube videos using
blob:URLs or MediaSource by removing the blanket native-audio fallback introduced in 1.1.2 (Users were reporting problems with this implementation). - Retains the 1.1.1 protection for directly identifiable cross-origin media without a
crossoriginattribute; those elements continue to use native audio and Speed.
Source code released under All Rights Reserved
- Restores Pitch, Microtones and Reverb for YouTube videos using
Version 1.1.2
Released Oct 7, 2026 - 123.76 KBWorks with firefox 140.0 and later, android 142.0 and laterWhat's new in 1.1.2- Follow-up to the 1.1.1 hotfix: YouTube video elements using blob: URLs stay on the browser's native audio path because the URL does not reveal whether the media is safe to route through Web Audio. Speed remains available with native pitch preservation; Pitch and Reverb are unavailable for those videos.
Source code released under All Rights Reserved
Version 1.1.1
Released Oct 6, 2026 - 123.36 KBWorks with firefox 140.0 and later, android 142.0 and laterWhat's new in 1.1.1- Hotfix: avoids routing directly identifiable cross-origin media without a crossorigin attribute through Web Audio, preventing affected videos from becoming silent. Those elements stay on the browser's native audio path; Speed remains available with native pitch preservation, while Pitch and Reverb are unavailable for them.
Source code released under All Rights Reserved
Version 1.1.0
Released Sep 12, 2026 - 122.69 KBWorks with firefox 140.0 and laterPitchShifter 1.1.0
• Added per-tab On/Off control. PitchShifter now affects only the tab where it is enabled and restores the page’s original media settings when switched off.
• Added a dedicated Reverb tab with Simple and Advanced modes, including controls for amount, room size, decay, tone and pre-delay.
• Migrated audio processing to AudioWorklets, removing the previous visible pitch delay and preventing crackling caused by page or DOM activity.
• Improved Speed quality with adaptive WSOLA processing and a phase vocoder for extreme slowdowns, while keeping Pitch and Speed independent.
• Added smoother transitions when moving sliders or switching audio-processing modes.
• Improved stability on Spotify Web, including playback while Firefox is minimized or running in the background.
• Refined the popup design and updated the documentation and screenshots.Source code released under All Rights Reserved
Version 1.0.1
Released Aug 19, 2026 - 74.58 KBWorks with firefox 140.0 and later- Migrated PitchShifter to Manifest V3.
- Added Firefox per-site permission controls.
- Removed unnecessary extension permissions.
- Added support for detached media elements used by web players such as Spotify Web.
- Improved compatibility without changing the existing pitch-shifting engine.
Source code released under All Rights Reserved
Version 1.0.0
Released Jun 7, 2026 - 74.45 KBWorks with firefox 140.0 and laterSource code released under All Rights Reserved