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PitchShifter version history - 3 versions

PitchShifter by rive

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PitchShifter version history - 3 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 1.1.0

    Released Sep 12, 2026 - 122.69 KB
    Works with firefox 140.0 and later
    PitchShifter 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

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 1.0.1

    Released Aug 19, 2026 - 74.58 KB
    Works 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

    Download file

  • Version 1.0.0

    Released Jun 7, 2026 - 74.45 KB
    Works with firefox 140.0 and later

    Source code released under All Rights Reserved

    Download file