Best Restartless Mozilla Addons Alternatives

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Minimizes windows into the system tray.

Protect your Passwords, Payments, and Privacy.

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Stops javascript annoyances such as forbidden right click, forbidden text selection or disabled features like copy/save images from web-pages.

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Grammarly’s free spelling and grammar checker ensures that everything you type is easy to read, effective, and mistake-free. As you type, Grammarly underlines spelling mistakes and grammatical errors and helps you fix them on the fly.

Download youtube videos as mp3/mp4/ogg/webm fast and easy! Adding mirrors everyday to decrease any downtime! We monitor comments and work to fix any problems as soon as possible!

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Save images and pages to your Pinterest account quickly and easily with Save Button for Pinterest.

A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Similar in function to Internet Explorer's color picker.

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.

This simple add-on allows you to download MP4 (iPod-compatible) videos from YouTube, Dailymotion, and Vimeo.

Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.

Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.

Does your country/organization block you from facebook, youtube or others?
Is the service you want unavailable in your country?
Stealthy is the solution for you.
Unlike other extensions we do the work of look for fast proxies for you.

Displays an icon in the tooltip or next to the cursor indicating the target of a link.

Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.