Search Tools

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  • Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
    • Green – The site is trusted
    • Yellow – Be cautious
    • Red – Online threats detected
    1,041,366 users
  • Xmarks Sync

    Bookmarks
    Rated 4 out of 5 stars (2,513)
    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!
    310,551 users
  • DuckDuckGo Plus

    Search Tools
    Rated 4 out of 5 stars (137)
    DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!
    155,610 users
  • Compare prices at thousands of retail sites with the Amazon 1Button App!
    Get special offers and features right at your fingertips. Search Amazon and the Web at the same time, get a head-start on deals, add to your wishlist, and much more.
    131,289 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.
    118,865 users
  • StumbleUpon

    Search Tools
    Rated 4 out of 5 stars (214)
    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.
    115,390 users
  • SearchPreview

    Appearance
    Rated 4 out of 5 stars (385)
    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.
    97,332 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.
    89,004 users
  • Make any pages' search functionality available in the Search Bar (or "search box")...
    87,924 users
  • Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
    85,750 users
  • Wappalyzer

    Search Tools
    Rated 4 out of 5 stars (97)
    Wappalyzer is a browser extension that identifies software on websites.
    72,062 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!
    70,198 users
  • Ecosia is a search engine that donates 80% of its surplus income to a tree planting program in Burkina Faso.
    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!
    68,721 users
  • Zoom Page

    Appearance
    Rated 4 out of 5 stars (129)
    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.
    65,879 users
  • This extension prevents Google, Yahoo 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.
    65,081 users
  • Google™ Translator Lite
    64,368 users
  • Lookup scholarly articles as you browse the web.
    53,421 users
  • This extension allows you to initiate a Google search using any image on the web. By the Google Images team.
    49,326 users

Top Rated See all »

  • Search/browse/shop faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;create custom engines;shopping assistant compares price;Smart SearchBox;Preview results;Auto copy plain text, dnd save image/open link.Use v3.363(below)!
    12,748 users
  • Reader

    Search Tools
    Rated 5 out of 5 stars (50)
    Reader is the ultimate Reader tool for Firefox.
    32,779 users
  • Ubuntu-it Menu

    Bookmarks
    Rated 5 out of 5 stars (19)
    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.
    1,348 users
  • This extension prevents Google, Yahoo 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.
    65,081 users
  • FindBar Tweak

    Appearance
    Rated 5 out of 5 stars (236)
    Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
    29,247 users
  • budaneki

    Language Support
    Rated 5 out of 5 stars (85)
    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
    724 users
  • Instant lyrics on YouTube, Spotify, Deezer, 8tracks, Rdio and many other music sites in a flexible panel. 40+ sources ensure that lyrics are always found. Simple to use and highly customizable. (formerly called "YouTube Lyrics by Rob W")
    4,889 users
  • Image Search Options provides a set of highly customizable reverse image search context menu options.
    17,544 users
  • Ecosia is a search engine that donates 80% of its surplus income to a tree planting program in Burkina Faso.
    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!
    68,721 users
  • Domain Auction Metrics by DomCop provides domain metrics for GoDaddy Auctions, NameJet, SnapNames, DynaDot and Sedo. View Page Rank, Majestic Trust Flow, Moz Rank and Domain Authority, SimilarWeb Rank, SEMrush Metrics, Alexa Rank, Estibot metrics.
    1,210 users
  • Biobar

    Search Tools
    Rated 5 out of 5 stars (11)
    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.
    1,835 users
  • All Tabs Helper

    Tabs
    Rated 5 out of 5 stars (41)
    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...
    3,747 users
  • ConQuery

    Search Tools
    Rated 5 out of 5 stars (38)
    Context searching for everyone and URL manipulation tool for advanced users...
    455 users
  • lolifox - Fierr MOD

    Appearance
    Rated 5 out of 5 stars (16)
    Replaces the error page with a lolifox appearance with additional features.
    4,265 users
  • Context Search X

    Search Tools
    Rated 5 out of 5 stars (90)
    Enhances the context menu with a list of search engines and specified engines placed outside the submenu. Includes an item to search for selected text on the current site. Mouse buttons and accesskeys are customizable. Fully configurable with GUI.
    11,447 users
  • Unser Gutschein-Melder informiert dich vor JEDEM Einkauf, ob der GutscheinDoktor gratis Gutscheincodes für deinen Einkauf bereithält.
    1,235 users
  • Keyword Search

    Search Tools
    Rated 5 out of 5 stars (78)
    Search in the awesome bar without changing your search engine.
    12,539 users
  • Un-censor the net and illegally taken down domains.
    5,697 users

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