Mozilla Firefox Plugins, Add-ons and extension Page 51 of 83

YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in High Definition, turn off annotations, change video player...

Startup Tracker enables you to get a quick overview of any startup you read or hear about right from your browser tab. It provides live-search over leading startup information databases and lets you crowdsource missing information by clicking on a magic 'Ask startup'...

Prevent your browser from connecting to 3rd party domain without user consent. Increase your privacy, security, and speed by blocking unnecessary requests.

Select word or phrase with Alt key pressed - then hover over an icon below the selection. Almost instantly you will see a tooltip with the translation.

A browser addon that automatically monitors all passwords used and alerts you if it has been included in any data breaches.

The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.

This extension is using the HTML5 outline algorithm to create a table of contents.

OptMeowt ("Opt Me Out") is a browser extension for sending Do Not Sell signals to websites per the Global Privacy Control draft spec.

This addon provides a button to restore the last closed tab. A list of last closed tabs is available in the button context menu. This way you can pick an individual tab in history to restore it.

WebExtension allowing you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon. - teddy-gustiaux/default-bookmark-folder

Smoothwheel is an addon for Firefox, Thunderbird and SeaMonkey, which scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled). It works on all platforms supported by these applications.

Our extension adds anonymous, IRC-style chat to every domain on the Internet. We decentralize social media across a web increasingly dominated by a few unscrupulous companies. We don't sell your data, and we don't advertise.

ICS Converter is kind of the utility which let you convert ICS files to required file format without any kind of predicament. With Turgs ICS Converter software you can convert the unlimited number of iCalendar with all types of attachments.

Toolbar button to close the current tab. Works on the newest version of Firefox.

Block Site is a browser addon to help you block desired websites. To operate, simply right-click on any webpage and click on the "Block this website" context-menu item. The website will be added to the block list.

Llamazing Fun, Inspiration, and Relaxation in every new browser tab.

SyncWatch is a browser extension which lets you watch videos together with friends synchronously.

Show Facebook Computer Vision Tags is a very simple browser extension that displays the automated image tags that Facebook has generated for your images.

See cast, music, other works, trailers and more of your favorite Netflix shows and actors.

Daily is the world's leading dev news curator, delivering relevant updates to your new tab. It gathers and ranks articles from tens of different sources to help you optimize your time and boost your knowledge.

Scraping assistant tool. Editing and maintaining CSS/XPath selectors across webpages. Available as a Chrome/Chromium and a Firefox extensions.

Minimalistic notes. For every site.

BlockBlockAdBlock is a user script for Chrome and Firefox that blocks the BlockAdblock script.

GrandBastard offers 200K checkmate puzzles for chess lovers who want to practice their endgame.

PubPeer enables scientists to search for their publications or their peers publications and provide feedback and/or start a conversation anonymously.