662 100 utilisateurs
Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.
278 985 utilisateurs
186 017 utilisateurs
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)
154 597 utilisateurs
Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.
100 037 utilisateurs
Removes country restrictions for FREE! Just like that.
218 970 utilisateurs
121 974 utilisateurs
Install the MEGA Firefox extension for vastly improved download performance. It will allow you to batch-download an unlimited number of files without any size restrictions from MEGA.
123 577 utilisateurs
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.
106 599 utilisateurs
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
141 180 utilisateurs
Attempting to reduce both Browser and Flash RAM Memory usage. Memory Fox will promote the increase of available RAM memories for other application processes. Hopefully, fostering any attempts of Memory Recovery and Retention.
159 143 utilisateurs
Extension qui donne la possiblité d'utiliser le moteur de rendu du "Microsoft Internet Explorer", installé sur votre système d'exploitation, au sein du navigateur "Mozilla Firefox".
54 163 utilisateurs
Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.
23 386 utilisateurs
URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.
32 457 utilisateurs
Get in-depth traffic and engagement stats for any website with a single click. See how popular a website is, its traffic sources, average time on site, ranking info, top referring sites, paid keywords, related mobile apps, and much, much more.