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Tab Mix Plus Reinício necessário

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Avaliado em 4 de 5 estrelas (2 401)
592 252 utilizadores

Stylish Reinício necessário

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Avaliado em 4 de 5 estrelas (842)
335 047 utilizadores

Classic Theme Restorer Reinício necessário

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29-56 (Windows / MacOSX / Linux).

Release builds
Beta builds

Avaliado em 5 de 5 estrelas (1 062)
333 327 utilizadores

FireGestures Reinício necessário Em destaque

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Avaliado em 4 de 5 estrelas (874)
282 856 utilizadores

Easy Access Reinício necessário

Allow an easy access to the system commands and other programs in your computer.

Avaliado em 4 de 5 estrelas (16)
261 486 utilizadores

Reddit Enhancement Suite Compatível com o Firefox 57+

NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit.

RES is a suite of tools to enhance your reddit browsing experience.

Avaliado em 5 de 5 estrelas (117)
211 460 utilizadores

Personas Plus

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Avaliado em 3 de 5 estrelas (853)
179 423 utilizadores

MinimizeToTray revived Reinício necessário

Minimizes windows into the system tray.

Avaliado em 4 de 5 estrelas (327)
131 348 utilizadores

All-in-One Sidebar Reinício necessário

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Avaliado em 5 de 5 estrelas (1 454)
130 055 utilizadores

Status-4-Evar Reinício necessário

Status bar widgets and progress indicators for Firefox 4+

Avaliado em 5 de 5 estrelas (494)
112 751 utilizadores

Menu Wizard Reinício necessário Em destaque

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Avaliado em 5 de 5 estrelas (192)
106 741 utilizadores

Print Edit Reinício necessário Em destaque

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.

Avaliado em 5 de 5 estrelas (305)
102 158 utilizadores

MeasureIt Reinício necessário

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Avaliado em 4 de 5 estrelas (362)
99 159 utilizadores

R-kiosk Reinício necessário

Real Kiosk is a Firefox extension that defaults to full screen, disables all menus, toolbars, key commands and right button menus. Alt+Home still takes you home. ...

Avaliado em 4 de 5 estrelas (111)
93 865 utilizadores

Theme Font & Size Changer Em destaque

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Avaliado em 5 de 5 estrelas (174)
93 797 utilizadores

Text Link Reinício necessário

Allows URI texts written in webpages to be loaded by double clicks.

Avaliado em 4 de 5 estrelas (288)
90 070 utilizadores

Zoom Page Reinício necessário

Full featured zoom manager with independent page and image zoom modes. Choose from four zoom modes: Default Zoom, Fit-To-Width, Default Zoom + Site Specific or Fit-To-Width + Site Specific. Button style and zoom levels are fully configurable.

Avaliado em 5 de 5 estrelas (158)
86 656 utilizadores

Tree Style Tab Reinício necessário

Show tabs like a tree.

Avaliado em 4 de 5 estrelas (1 265)
85 003 utilizadores

The Addon Bar (Restored)

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Avaliado em 5 de 5 estrelas (329)
78 095 utilizadores

colorPicker

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.

Avaliado em 4 de 5 estrelas (46)
76 738 utilizadores