Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
442,065 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
103,543 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
69,357 users
Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
66,687 users
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
57,431 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me
33,376 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!
7,071 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
101,941 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
70,982 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.
65,533 users
uBlacklist
Blocks sites you specify from appearing in Google search results
40,809 users
Hide Google AI Overviews
Hide annoying Google AI Overviews.
38,342 users
Librezam
Open-source music recognition extension using Shazam API (also supports Audd, ACRCloud, Tencent, and NetEase APIs as alternative backends)
20,314 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.
19,690 users
Yandex search
Adds Yandex search as a search engine.
17,956 users
Terms of Service; Didn’t Read
“I have read and agree to the Terms” is the biggest lie on the web. We aim to fix that. Get informed instantly about websites' terms & privacy policies, with ratings and summaries from the www.tosdr.org initiative.
12,851 users
Remove Paywall
Remove paywalls from articles legally by searching public internet archives.
12,522 users
猫抓(cat-catch)
网页媒体嗅探工具
11,968 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/
8,366 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.
8,112 users
テキストリンク&Google翻訳
リンクになってないURL文字列をダブルクリックで開けます Google翻訳もできます
8,067 users
MetaGer Suche
Privatsphäre war noch nie so einfach. Setzt MetaGer als Standard Suchmaschine für Sie.
7,047 users
wiki.gg Redirect
Redirects all requests from wikis that have moved to wiki.gg from their former host.
7,023 users
Google™ Translator Lite
a powerful tool to translate words or sentences
6,490 users
Paywall remover 2025
Access full articles without a paywall by finding them in archive sites
5,883 users