Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
309,526 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
125,314 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
65,651 users
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
57,283 users
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
7,843 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
111,861 users
AVG Online Security
AVG Browser Security and Web Reputation Plugin. Offering protection against known phishing and malware sites, improving your browsing overall browsing experience with crowd sourced web reputation rating.
73,759 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
60,678 users
uBlacklist
Blocks sites you specify from appearing in Google search results
30,206 users
Indie Wiki Buddy
Helping you discover quality, independent wikis! When visiting a Fandom wiki, Indie Wiki Buddy redirects or alerts you of independent alternatives. It also filters search engine results. BreezeWiki is also supported, to reduce clutter on Fandom.
28,798 users
CSFloat Market Checker
Shows the float value, paint seed, and screenshots of Counter-Strike (CS:GO & CS2) items on the Steam Market or Inventories
25,329 users
Media Helper for Instagram
Easily download Instagram pictures and videos.
15,377 users
Scholarscope
自动加载PubMed搜索结果中期刊的信息,显示它们的影响力以及所在领域的排名。 Pubmed是美国国立卫生研究所管理的、向全球开放的数据库。用户可以在网站上检索已经或是即将发表的文献,并查看这些文献的相关信息,包括作者、期刊、发表日期、摘要和下载信息。网站链接为 https://pubmed.ncbi.nlm.nih.gov/
15,250 users
Google™ Translator
a handy multi-language translator built on top of Google translate.
11,965 users
Yandex search
Adds Yandex search as a search engine.
9,864 users
Kagi Search for Firefox
A simple helper extension for setting Kagi as a default search engine, and automatically logging in to Kagi in private browsing windows.
9,803 users
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
9,453 users
Hide My IP Free
Hide Your IP Address and Unblock Websites for Free with the Hide My IP proxy and VPN IP network. Thousands of IPs around the world to choose from. Access your favorite streaming sites by changing your IP location. No ads or limitations.
8,591 users
Google™ Translator Lite
a powerful tool to translate words or sentences
8,407 users
Text Link & Google Translate
Non linked URL open with double click. and Google translate.
8,159 users
MAL-Sync
MAL-Sync enables automatic episode tracking between MyAnimeList/Anilist/Kitsu/Simkl and multiple anime streaming websites.
8,137 users
Automatic AdSkipper
AdSkipper is browser extension that automatically skips in video ads on websites. Support the project on: https://www.buymeacoffee.com/mileta https://patreon.com/MiletaDulovic Source Code https://github.com/M1ck0/adskipper-extension
6,291 users
Rutracker Torrent Search
Easy and quick search for books, music, videos in torrents.
5,852 users
猫抓(cat-catch)
Web media sniffing tool
5,846 users
Reader
Reader is the ultimate Reader tool for Firefox.
5,333 users