Search Tools

Most Popular See all »

  • Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.
    1,342,425 users
  • Xmarks Sync

    Bookmarks
    Rated 4 out of 5 stars (2,319)
    Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
    485,055 users
  • DuckDuckGo Plus

    Search Tools
    Rated 5 out of 5 stars (97)
    DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo as the default address bar, search bar and right-click search engine. Adds a handy toolbar button for easy access to !bang tags. Adds DuckDuckGo instant answers to Google/Bing.
    232,536 users
  • StumbleUpon

    Search Tools
    Rated 4 out of 5 stars (198)
    StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
    228,469 users
  • TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.
    150,236 users
  • SearchPreview

    Appearance
    Rated 4 out of 5 stars (352)
    The extension previously known as GooglePreview. Inserts preview images (thumbnails) and popularity ranks of web sites into the Google, Yahoo, Bing and DuckDuckGo search results pages.
    146,358 users
  • Instant access to the best websites related to the site you are browsing!
    137,193 users
  • AutoPager

    Search Tools
    Rated 5 out of 5 stars (353)
    AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
    It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
    You can also try AutoPagerLite.
    128,199 users
  • 自动比较同款商品在淘宝、天猫、京东等的价格,显示最近3个月的价格曲线,将商品添加到“想买”即可开通降价提醒。如意淘,淘我如意的!
    117,655 users
  • Make any pages' search functionality available in the Search Bar (or "search box")...
    113,738 users
  • Discover useful traffic insights about the websites you visit. Find out how big the websites you visit are on the internet and in their categories. Get instant knowledge on the main sources of traffic bringing users to the website you’re viewing.
    81,580 users
  • Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.
    79,744 users
  • Speed up your web search & search via your address bar

    ✔ get autocomplete ideas while typing
    ✔ get search results instantly as you type
    ✔ customize your own search-shortcuts

    Instructional Video: http://y2u.be/W-BvOGf0kaM
    Visit instantfox.net
    78,000 users
  • Get special offers and features right at your fingertips with The Amazon 1Button App. Search Amazon and the Web at the same time, get a head-start on deals, add to your wishlist, and more.
    76,415 users
  • InvisibleHand

    Shopping
    Rated 4 out of 5 stars (168)
    Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.
    75,959 users
  • An extension that adds a Google search box to the standard Firefox new tab page
    74,033 users
  • Zoom Page

    Appearance
    Rated 5 out of 5 stars (83)
    Full featured zoom manager with independent page and image zoom modes. Choose from four zoom modes: Default Zoom, Fit-To-Width, Default Zoom + Site Specific or Fit-To-Width + Site Specific. Button style and zoom levels are fully configurable.
    73,437 users
  • Ecosia is a search engine that donates 80% of its income to a tree planting program in Brazil. By searching with Ecosia you can help the environment for free.

    This extension adds Ecosia as a search engine in Firefox. Give it a try!
    54,911 users

Top Rated See all »

  • FindBar Tweak

    Appearance
    Rated 5 out of 5 stars (131)
    Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!
    26,920 users
  • This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
    49,648 users
  • Ecosia is a search engine that donates 80% of its income to a tree planting program in Brazil. By searching with Ecosia you can help the environment for free.

    This extension adds Ecosia as a search engine in Firefox. Give it a try!
    54,911 users
  • budaneki

    Language Support
    Rated 5 out of 5 stars (78)
    Select a text and instantly get information about it in inline window or translate it via google translate
    ----------------------------------------------------
    Bu da ne ki dediginiz an size ne oldugunu gosteren eklenti
    1,216 users
  • Ubuntu-it Menu

    Bookmarks
    Rated 5 out of 5 stars (17)
    Quick navigation menu through all the resources of the Italian community of the Linux distribution Ubuntu (www.ubuntu-it.org). Allow also a quick navigation through some resources of other Ubuntu communities including the international one.
    1,898 users
  • Fastest Search

    Shopping
    Rated 5 out of 5 stars (77)
    This all-in-one search/browse/productivity boosting addon could replace many top addons yet offers MANY unique features like regex, smart searchbox, multi-tab preview, ... Ctrl-Shift-F activates a special FindBar more powerful than any browser/addon.
    14,988 users
  • Speed up your web search & search via your address bar

    ✔ get autocomplete ideas while typing
    ✔ get search results instantly as you type
    ✔ customize your own search-shortcuts

    Instructional Video: http://y2u.be/W-BvOGf0kaM
    Visit instantfox.net
    78,000 users
  • lolifox - Fierr MOD

    Appearance
    Rated 5 out of 5 stars (17)
    Replaces the error page with a lolifox appearance with additional features.
    4,535 users
  • Image Search Options provides a set of highly customizable reverse image search context menu options.
    17,629 users
  • Biobar

    Search Tools
    Rated 5 out of 5 stars (12)
    A power browsing toolbar for the Life Sciences (Biology/Bioinformatics/Medicine). Easily search and retrieve data from over 45 bioinformatics services from the comfort of the toolbar. Links to bioinformatics tools and resources.
    2,432 users
  • ConQuery

    Search Tools
    Rated 5 out of 5 stars (36)
    Context searching for everyone and URL manipulation tool for advanced users...
    680 users
  • Keyword Search

    Search Tools
    Rated 5 out of 5 stars (52)
    Search in the awesome bar without changing your search engine.
    12,878 users
  • Get instant lyrics on Grooveshark, YouTube and Spotify in a flexible panel. Multiple sources are defined to ensure that lyrics are always found. The use and order of these sources are customizable. (formerly called "YouTube Lyrics by Rob W")
    3,350 users
  • Unser Gutschein-Melder informiert dich vor JEDEM Einkauf, ob der GutscheinDoktor gratis Gutscheincodes für deinen Einkauf bereithält.
    2,002 users
  • CookieExFilter

    Search Tools
    Rated 5 out of 5 stars (13)
    Search cookie exceptions quickly and easily.
    812 users
  • LuckyBar

    Appearance
    Rated 5 out of 5 stars (15)
    Changes Firefox 4's default location bar behavior to a 'I'm feeling lucky' Google search (like Firefox 3.x used to do).
    806 users
  • Easy DragToGo

    Tabs
    Rated 5 out of 5 stars (331)
    Note from Mozilla: This add-on has been discontinued. Try DragIt instead.

    Allows you to open links in new tabs, and do more with drag and drop gestures easier.
    7,234 users
  • All Tabs Helper

    Tabs
    Rated 5 out of 5 stars (18)
    Transforms "List All Tabs" menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles or *content* (remember "Find In Tabs"?), visited tabs history, find duplicate tabs - very helpful for mega-tab users. And more...
    1,456 users

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See all 1903 extensions in Search Tools »