Custom Interface
 | Stratiform Make your own colour scheme and theme with an easy to use interface. Download |  | All-In One Sidebar Access bookmarks, history, downloads, add-ons and more from a sidebar. Download | |  | Omnibar Combine the redundant address and search bars into one, just like in Google Chrome.Download |
 | Tab Utilities Feature-packed extensions for getting the most out of your tabs. Download |  | Vertical Toolbar Move icons to the left of the browser to save vertical spaceDownload | |
Custom Web
 | GreaseMonkey Access to thousands of user-made scripts that make the Internet better. Download | |  | Adblock Plus Never see an online ad again. Also useful for blocking malware.Download | |  | AdBlock Video Watch videos online without watching ads. Works with Hulu and most networks sites.Download | |
 | Flash Block Block every and all flash files until you want to see them.Download |  | NoScript The ultimate security extension: only run scripts on sites you trust. Download | |  | Thumbnail Zoom See full size images by hovering over thumbnails on Facebook, Amazon and more. Download | |
 | AutoPager Make websites and blogs keep scrolling forever and ever and ever. Download | |
Downloading
 | DownThemAll Download all links or images on any website and accelerate downloads. Download| |  | Download Statusbar Watch and manage your downloads at the bottom of your browser window. Download | |  | DownloadHelper Download and convert videos from a variety of websites around the web. Download | |
 | Ant Video Downloader Download videos from around the web and watch them, offline, from your browser.Download |  | Skip Screen Avoid the wait pages on Rapidshare, Megaupload, zShare, Mediafire and similar sites. Download | |
Reading
 | Feedly Your own online magazine, with stories from your favorite sites.Download | |  | Brief Simple and elegant RSS reader designed to just let you read.Download |  | Readability Save articles to read later, or read them now without ads and sidebars. Download | |
 | Read It Later Save articles from the web for reading later, when have time.Download | |  | EPUBReader Open and read EPUB (ebook) files in your browser. Download |
Shopping
 | Invisible Hand Find the best price out there for anything your search or shop for.Download |  | Boo.ly Search for an item; see a breakdown of prices in the results.Download |  | Amazon Add To WishList Add items you find online to your Amazon wishlist, whatever site you find it on.Download |
 | Windowshop Compare prices for over 140 million products. Works in the US, UK and Germany.Download |
Social
 | StumbleUpon Click a button; see a random website relevant to your interests. Great time waster. Download |  | Shareaholic Quickly share websites you find with your friends on any social network. Download | |  | Firestatus Update your Twitter or Facebook status by clicking a button on your toolbar.Download |
 | Echofon Complete Twitter client built into your browser so you can Tweet while you surf. Download | |  | Rapportive Social CRM for Gmail. Collects and shows information about your contacts in the Gmail sidebar. Download | |  | Wisestamp Add social network links to the signature of your Gmail, Yahoo or Hotmail accounts.Download | |
Sync
 | XMarks Your bookmarks and passwords, synced across all your computers and browser. Download | |  | LastPass Securely store your passwords online. Encrypts passwords locally before uploading. Download |  | FEBE backup Backup all of your Firefox extensions so you can quickly install them again. Download| |
 | SurfOn Easily move any set of tabs from one computer or browser to the next. Download | |
Security
 | HTTPS everywhere Encrypt your web usage whenever possible to keep your private information safe. Download |  | Ghostery Track the services trying to track you, and maintain your online privacy. Download | |  | Track-Me-Not Sends random queries to search engines to obscure your searching habits and protect your privacy. Download | |
 | Better Privacy Protects against long-term “Super-Cookies” that track you for market research.Download |  | Web Of Trust Shows you which websites can be trusted, based on feedback from millions of other users.Download | |
Developers
 | Firebug Inspect the web. Find out what code makes up bits and pieces of any webpage.Download |  | Web Developer A cornicopia of web development tools added to your browser.Download |  | FireFTP A full-featured FTP client built into your browser. Upload and download files.Download |
 | Colorzilla An eyedropper for detecting colors on the web and other colorful goodies. Download | |  | SEO Blogger Discover sought-after search terms for your post as you’re writing.Download |  | MeasureIt Put a ruler on any site to measure the pixel width or height of objects. Download |
Research
 | Zotero Collect, manage and cite the sources for your latest project.Download | Full review |  | Diigo Bookmark sources, then highlight what’s important and leave notes, all within your browser. Download |Full review |  | gTranslate Quickly translate text with Google by highlighting and right-clicking it. Download |
 | TinEye Reverse Image Search Find similar images to the one you found with this reverse image search tool. Download |
Others
 | FasterFox Tweaks and speeds up your browser, and the entire web. Download | |  | FlagFox See flags representing the country any website is hosted in. Download |  | User Agent Switcher Trick websites into thinking you’re using another browser. Perfect for some IE-only services.Download |
 | Session Manager Save your current session, including open tabs. Open these sessions later.Download |  | Lazarus: Form Recovery Resurrect information you added to a form only to lose to a browser crash.Download |  | NoSquint Change the zoom settings for text or the entire page. Perfect for high-resolution monitors. Download |
