Save In…
Adds a context menu to save media {image, video, audio, link, selection, page} in user-defined directories relative to the default download location. Save into dynamically named directories. Rules-based download renaming and routing.
Proxy Switcher and Manager
Manage and switch between multiple proxies quickly and easily through profiles
Twitter Container
This addon is a fork of Mozilla's Facebook Container but for Twitter. Twitter Container isolates your Twitter activity from the rest of your web activity in order to prevent them from tracking you. This addon is NOT an official Mozilla Product.
Textarea Cache
Allows to save automatically the content in a text input field.
Open in Foxit™ Reader
Adds a context menu item to send PDF links directly to Foxit™ Reader
Gmail reverse conversation
Gmail reverse conversation view. Do you like newest message on the top in conversation view? Now you can do it with this simple addon. No javascript, css only. Also works in new Gmail.
All Tabs Helper
Provides list-style menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles/urls, search content in all loaded tabs, visited tabs history, find duplicate tabs. (Window-centric except moves tabs across windows)
PlugIn-Checker
The easiest and simplest way to check for PlugIn-Updates. Never forget to install the newest safe versions.
Google Scholar search engine
Adds a search engine for Google Scholar (scholar.google.com).
Auto HD/4k/8k for YouTube™
Automatically set your default YouTube™ video quality with this great new Auto HD, supporting high definition resolution HD/4k/8k. High definition for YouTube.
PDF editor online
Create and edit PDF files with PDF editor online
Speed Dial
Access to your favorite websites via an stylish speed dial!
SpotiShush
Mutes audio ads on Spotify, Deezer, TIDAL and IDAGIO.
Open Google Calendar with toolbar button
This Firefox addon adds a Calendar button to the top toolbar. This Calendar button opens Google Calendar in new tab.
Deadname Remover
An easy to use browser plugin to automatically remove and replace deadnames
YouTube Stop AutoPlay Next
Stop YouTube from Playing next tracks (aka disable autoplay button).
YouTube to MP3
Download an mp3 audio file from any YouTube video with just one click!
Daily Top Coupons & Custom Web Search
Install the Daily Top Coupons & Custom Web Search extension to get the latest coupons, deals & offers by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
JavaScript Warning
You can store websites in a list which are not supposed to execute JavaScript code. If they try to do so the Add-on warns you.
Font Fingerprint Defender
Defending against Font fingerprinting by reporting a fake value.
KellyC Image Downloader
An browser extension for downloading artworks from Pixiv, Pinterest, VK (Вконтакте), ArtStation, DeviantArt, Twitter and other sites.
Alexa Rank
Minimalist Alexa rank. Permission "Access your data for all websites" means that extension should be called on all pages that you visit.
RSSPreview
Preview RSS feeds in-browser
Reading List
This extension saves a list of links to pages to read later. This reading list extension allows you to save pages in a list to get back to later. It’s super slick and easy to use, and it helps keep your tab count down.
404 Bookmarks
With this extension you can find expired bookmarks and remove them easily. You can find all kinds of broken bookmarks, like pages that return 404 (Page not found) or other HTTP errors.
Sound Booster
Increase volume to max level and control the it of any tab.
Steam URL Opener
Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser.
Adjust Screen Brightness
Control your browser's global screen brightness
Audio Only for YouTube™
Listen to audio (no video) in YouTube and all embedded videos.
dataslayer
Debug and test tag management (Google Tag Manager, Adobe Launch / DTM, Tealium) and analytics (Google Analytics, Adobe Analytics) implementations from within Developer Tools.
