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Easily download video & audio streams via toolbar popup.

Select text on any web page, and have the computer read it out loud for you by simply clicking the Talkie button. 1. Select desired text on any web page. 2. Click the Talkie button in your browser bar. Or right click text, or use Alt+Shift+A.

Bionic Reader

- Apply Bionic Reading style with adjustable strength to a webpage. - Adjustable vowels for different languages. - Adjustable font family, font size, font weight and font opacity. - Support Unicode characters. - Apply dark mode to a webpage.

Monitors https://prolific.com/ for new studies.

Reload all tabs using keyboard shortcut or toolbar button.

Provides control over Flash contents

Take a screenshot from the entire website with just one click.

Control the speed of video playback.

Easily set the layout (size & position) of your browser window

Open all Firefox windows in full screen mode

Reopens the last closed tab.

Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)

Ninja Cookie removes cookie banners by rejecting the use of non-essential cookies.

Quickly find open tabs, see all windows in one view, find duplicates and limit tabs per window. The best Tab Manager for Firefox.

This extension will detect recipes on any page you visit and will highlight them at the top of the page. No more hunting for the actual recipe when you visit a long-winded food blog! Fork of the excellent chrome extension.

Fill out web forms automatically with a single click

Easily adjust various sound settings (volume, balance, etc.) via toolbar popup.

Opens all PDF files directly in the browser.

Enhanced Tooltip functionality for Pokémon Showdown Random Battle formats.

Increase the volume of the YouTube™ player twice, resembling the VLC player

Control your browser's global screen brightness

Dark mode for Google Docs!

Revert Facebook to the Old Layout (pre-Sep 2020) by changing your browser's user-agent string to one not supported by the new layout