Speed-Pitch changer

(EN) Modify the speed with the pitch of a video or audio. (FR) Modifiez la vitesse avec la tonalité d'une vidéo ou d'un audio.

Speed-Pitch changer is available to install from Firefox Browser Add-ons and for download from this page. It has 4,689 active users The latest version is 1.4.2, and it was published 9 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 54 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of Speed-Pitch changer here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
 7 versions available for download.

Install XPI file

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the Speed-Pitch changer ZIP file from step 1. Speed-Pitch changer is now installed on your browser.