Firefox add-on with keyword - toggle

Toggle between direct connection and a single proxy server via a toolbar icon.

This extension allows you to toggle userchrome.css styles on-the-fly with buttons and hotkeys.

Toggle JavaScript engine on and off the easy way

Toggle the content’s color scheme between preferring light or dark (or inheriting)

Disables or enables the browser cache.

Adds a button to enable or disable global dark mode. Manual configuration is required since the default colors are still black text on white background.

Press Alt+P to toggle the pin stat of the current tab

Disables or enables the animation of images (GIF, APNG, WebP, AVIF).

Disables or enables the use of fonts specified by the web page.

This web extension adds a toolbar button to toggle the sidebar on reddit.com

Button to switch between system-set (off) and manually-set (on) proxy.

Toggle furigana off and on.

Adds a checkbox to the page context menu to toggle colors, set by the website author.

Adds a button to the tab bar to toggle the "resist fingerprinting" setting.

HD Quality Toggle for YouTube™ extension will allow you to select desired playback quality on Youtube and literally fix it.

Show or Hide Sidebar on ChatGPT page. Just Install this addon then click on the ChatGPT Sidebar Toggle icon on top right toolbar to show/hide the ChatGPT sidebar. Contact / Report bugs : [email protected]

This extension allows you to toggle userchrome.css styles on-the-fly with buttons and hotkeys. You'll be able to switch up to six styles

Puts a timer into any web tool and allows quick real time productivity tracking with all the data stored on your Toggl Track account. Time tracking has never been easier!

A port of Tab Toggle by firesofmay legacy addon to Firefox Quantum and higher versions Pressing ALT-Q will switch to previous tab. Repeating this will toggle between two tabs.

A quick toggle button for browser high contrast mode

Browser extension to quickly toggle CSS.

Simple extension that toggles a red outline around all elements in a page on/off, useful for CSS debugging.

Adds a toolbar button to toggle between Flash and the default HTML players

Toggles the toolbar in Browserstack Live and App-Live

Toggles visibility for Reddit's sidebar ("old.reddit.com" ONLY)