Improve YouTube! (Open-Source for YouTube)
Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264
57,083 个用户
Capital One Shopping: Save Now
Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.
571,461 个用户
Rakuten: Get Cash Back For Shopping
Start shopping smarter with Cash Back and coupons. By clicking Add to Firefox you agree to the Rakuten Extension Terms & Conditions
150,514 个用户
The Camelizer - Price Tracker
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.
78,329 个用户
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
64,247 个用户
划词翻译
一站式划词 / 截图 / 网页全文 / 音视频 AI 翻译扩展，支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务，均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。
54,981 个用户
Fakespot Fake Amazon Reviews and eBay Sellers
Protect yourself from bad sellers and fake reviews on Amazon and more!
51,101 个用户
Group Speed Dial
🟦 Ultimate Speed Dial with ✅ advanced features for power users! 📈 Increase your productivity with ☁ Cloud dials on all your devices! 📁 Folders support, Live dials, Multi-dials, Text dials, Recently closed / Top pages, Timer, Search and many more
38,312 个用户
alerabat.com | kupony i cashback
Nigdy więcej nie szukaj kodów rabatowych – My zrobimy to za Ciebie :)
31,272 个用户
Wanteeed
Wanteeed, c’est ton nouvel allié shopping pour payer le prix juste sur tous tes achats en ligne ! Économise sur tes boutiques favorites en cumulant codes promo et cashback et compare les différents prix du web pour encore plus de réductions 🤩
25,557 个用户
Linguist - web pages translator
翻译网页，选中文本并翻译，Netflix字幕，私人信息，朗读翻译后的文本，并将重要翻译存入个人词典以学习130种语言的单词。
17,486 个用户
CouponBirds SmartCoupon Coupon Finder
Automatically find coupons and apply the best coupon code to save money for your online shopping!
16,587 个用户
Karma | Online shopping, but better
Shop Smarter: Compare Prices, Get Coupons, Price alerts & Earn Cashback!
11,522 个用户
Privacy | Protect Your Payments
Privacy's Firefox add-on allows you to generate a new virtual card number with 1-click on any checkout page. Keep your payment info safe from data breaches, shady merchants, and sneaky subscription billing.
8,689 个用户
Alitools shopping assistant
Auto-find & apply AliExpress ™ promo codes, price history, seller rating, similar products, find item by picture
7,567 个用户
CNET Shopping
CNET Shopping helps you find the best prices on your favorite products. Get promo codes and discounts with a single click.
6,139 个用户
Add to Buyee
安装“Add to Buyee”后、您就可以在日本的购物网站上享受Buyee的代购服务。欢迎使用代购工具“Add to Buyee”，在人气的日本购物网站享受全新的购物体验。
5,811 个用户
