The abundant add-ons have become one of the most important benefits from Firefox. There are so many really excellent Firefox add-ons for different needs, both expected and unexpected. Usually the recommended hot add-ons are professional ones in the area of SEO and web design. As for daily life on the Internet, here are top 10 free Firefox add-ons considering best ones in users and editors opinion. 1. ColorfulTabs 4.6.4 Very simple add-one that coloring each tab of your browsed pages with different color which will make you easily distinguish pages, also it will add very good look for your browser interface. 2. Image Zoom 0.4.4 Great tool used for zooming small images and elements you need to enlarge. 3. Free YouTube Downloader 6.0 Free YouTube Downloader for Firefox from Sothink is a simple, clean and easy-to-use FREE Firefox extension for video download and Flash download. It automatically captures and downloads videos from YouTube, Facebook, MSN, and any other video sites. Running under Windows/Mac/Linux operating systems and the latest Mozilla Firefox, it supports English, Spanish, and Chinese. Moreover, the YouTube downloader also has a stand-alone version, which is not only for Firefox but also for many other browsers. 4. Xmarks Sync 3.9.2 Xmarks can record your current bookmarks roster, as well as the saved passwords in your Firefox password manager. On any other computer running Firefox, just download Xmarks, use your Xmarks login, and all your passwords and bookmarks are ported into the current browser. 5. ImTranslator 3.3.5 ImTranslator is a very useful dictionary used to translate all words from any language to the language you need instantly. It supports more than 40 languages such as Albanian, Arabic, Bulgarian, Catalan, Chinese (Simp.), Chinese (trad.), Croatian, Czech, Danish, Dutch, English, Estonian, Filipino, Finnish, French, Galician, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Maltese, Norwegian, Polish, Portuguese and much more. 6. NoScript 2.0.7 Increase security level to protect your system from others attacks while browsing the net. This small application prevents running of active contents that comes from sites you don’t trust. 7. FoxTab 1.4.1 FoxTab is a popular 3D tab management extension bringing innovative 3D functionality to your Firefox. It powers Firefox with the following main features: Top Sites (aka Speed Dial) - for quickly accessing your favorite web sites, Tab Flipper – to easily flip between opened tabs using mouse or keyboard gestures and, Recently Closed Tabs – for reopening a tab that was recently closed. 8. TwitKit 1.2.2 Small add-ones that add Twitter side bar to your Firefox browser to be able to deal with twitter directly from your browser without needing to visit twitter for several purposes. 9. Shareaholic 2.0.3 Share you links in more easy, fast, accurate way using this application. This add-one lets you to deal with more than 60 services including Twitter, Facebook, Google Gmail, Delicious, LinkedIn, etc. 10. BlogRovR 1.1.804 BlogRovR fetches, as you browse, posts from your favorite blogs about the page you're looking at, and shows you post summaries you can open and read right there, without leaving that page. It also suggests popular items, and even lets you tweet about any site you're on.