Firefox eklentileri firefox kullanıcılarının büyük bir kısmının firefoxa başlama sebebi aslında, ben de ogame reklamlarını kaldırabilen Adblock eklentisi ve indirmeleri de yeni bir tab'da yapmamı sağlayan Downloads in Tab eklentisi için firefoxa başlamıştım... İşte firefox sitesinden en çok indirilen eklentileri firefox sizin için liste yapmış...

• Adblock
• AI Roboform Toolbar
• All-in-One Sidebar
• Auto Copy
• AutoSlideshow
• Beagle Indexer
• British English Dictionary
• Clean and Close
• Colorful Tabs
• Colorzilla
• CoolIris
• CustomizeGoogle
• deskCut
• Dictionary ToolTip
• DictionarySearch
• DOM Inspector
• Download Statusbar
• DownloadThemAll
• Duplicate Tab
• Fasterfox
• Filterset G
• Firebug
• Firefox ShowCase
• FireFTP
• FlashBlock
• FlashGot
• Flat Bookmark Editing
• ForecastFox
• FoxClocks
• FoxLingo
• Foxmarks
• FoxyTunes
• Free Translate
• Get directions from Google Maps
• GetMail
• Gmail Space
• GreaseMonkey
• HashColored Tabs
• IETab
• ImageZoom
• KeyScrambler
• Linkification
• Live HTTP Headers
• LoremIpsum Content Generator
• McAfee SiteAdvisor
• Measure it
• MinimizeToTray
• Mr Tech Local Install
• NoScript
• Password Hasher
• PDF Download
• PermaTab
• Personal Anti-Phishing Sidebar
• Plain Text to Link
• Platypus
• PrefBar
• Print/Print Preview
• QuickJava
• Redirect Remover
• Regular Expression Tester
• ReloadEvery
• Remember Mismatched Domains
• ReminderFox
• Right-Click-Link
• Sage
• ScrapBook
• SearchStatus
• SecurePassword Generator
• SEO for Firefox
• Session Manager
• ShowIP
• SiteAdvisor
• SmoothWheel
• Stack Style Tabs
• StumbleUpon
• SwitchProxy
• Tab Mix Plus
• Tabbrowser
• Table2Clipboard
• Talkback
• TargetAlert
• TinyMenu
• TrackMeNot
• UI Tweaker
• Unhide Menubar
• User Agent Switcher
• VideoDownloader
• View Source Chart
• Web Developer
• Yellowpipe Lynx Viewer Tool