Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive.is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.
Image Search Options provides a set of highly customizable reverse image search context menu options.
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
すべてのウェブサイトのための暗いテーマ。 あなたの目を気遣、夜間のDark Readerと毎日の閲覧に使用してくださ。
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
Reader is the ultimate Reader tool for Firefox.
Read out loud the current web-page article with one click. Supports 40+ languages.
Reverse image search using various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails) and popularity ranks into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.