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  • 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.
    127.203 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!
    67.864 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!
    66.639 users
  • InvisibleHand

    Rated 4 out of 5 stars (183)
    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.
    41.561 users
  • CouponsHelper

    Rated 4 out of 5 stars (25)
    CouponsHelper automatically finds coupon codes from thousands of retailers while you shop online. CouponsHelper is hidden until it finds coupons, so no pointless pop ups !
    Tutorial video:
    41.188 users
  • eBay Sidebar

    Rated 3 out of 5 stars (211)
    Official eBay add-on. Keep an eye on your eBay activity wherever you are on the web when you install the eBay Sidebar for Firefox. It’s a free tool built with eBay users in mind that will help you get more out of your buying and selling on eBay.
    37.026 users
  • Add price history charts and price watch features to Firefox when viewing product pages on Amazon. Use it to make informed purchasing decisions and to receive price drop alerts via email, Twitter, or RSS feed.
    30.318 users
  • Ciuvo finds best deals for your wanted product. Price check, comparison, customer reviews, product videos and coupons right in your web browser.
    27.007 users
  • Check4Change

    Rated 4 out of 5 stars (140)
    Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
    26.481 users
  • AdBeaver is a free service for you to get a little more out of your web surfing. You surf the web and earn valuable AdCoins for every ad shown on your screen. AdCoins can be cashed out via paypal, gift cards or donated to a charitable cause.
    24.339 users
  • Gutscheinaffe

    Rated 5 out of 5 stars (16)
    JETZT in über 2.300 Onlineshops bares Geld sparen! Dieses Add-on enthält Gutscheincodes für über 2.300 Onlineshops in Deutschland und Österreich. Es informiert dich direkt beim Einkauf darüber, ob ein Gutschein oder eine Rabattaktion verfügbar ist.
    24.300 users
  • → Price History charts
    → Price Drop & Availability Alerts
    → Daily Drops, an overview of recent price drops
    → Huge frequently updated product database
    → Supports Amazon [ .com | | .de | | .fr | .ca | .cn | .it | .es ]
    24.278 users
  • foxydeal

    Rated 4 out of 5 stars (32)
    foxydeal looks for the lowest price while you are shopping online. When
    foxydeal finds the product you are looking for in another online shop for a
    lower price you will get a discreet notification in your browser. The easy way to
    save money!
    23.940 users
  • Add a Bid Sniper to eBay auctions. It's linked to (originally Auction bid sniper for eBay service website where you can snipe and monitor your auctions for free.
    14.786 users
  • 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)!
    12.332 users
  • Coupons at Checkout

    Rated 5 out of 5 stars (10)
    Never search for a coupon again! Coupons at Checkout uncovers coupon codes automatically at thousands of online stores. Wherever you see a ‘Coupon Code’ box, now just click to see all the retailer's latest coupons! As featured in CNET & Lifehacker!
    11.053 users
  • Converter

    Rated 5 out of 5 stars (74)
    Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.)
    9.821 users
  • The Sea App

    Rated 4 out of 5 stars (6)
    We make sure you get the best price.

    No more searching from site to site. See it all on The Sea App.

    - The Sea App shows you the best prices from your favorite stores within seconds!
    9.568 users

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