Video Summarizer

Changes playback speed for videos depending on loudness of the video. Speed up long lectures at different rates, depending on whether the teacher is saying something or is just silently writing something on whiteboard.

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Video Summarizer is available to install from Firefox Browser Add-ons and for download from this page. It has 12 active users The latest version is 1.4, and it was published 2 years ago.

All available versions

You can find the current and older versions of Video Summarizer here. You can download the archived versions or inspect their source codes.

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

How to install Video Summarizer from an XPI file

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

How to install Video Summarizer from a ZIP file

1. Download the Video Summarizer 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 Video Summarizer ZIP file from step 1. Video Summarizer is now installed on your browser.