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Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular All »
- 1. Adblock Plus 21,769,920 users
- 2. Video DownloadHelper 4,649,385 users
- 3. NoScript Security Suite 2,359,456 users
- 4. Firebug 2,284,751 users
- 5. Easy Screenshot 2,126,303 users
- 6. Ghostery 1,561,509 users
- 7. DownThemAll! 1,354,777 users
- 8. Greasemonkey 1,291,260 users
- 9. Adblock Plus Pop-up Addon 1,237,226 users
- 10. Flash Video Downloader - YouTube HD Download [4K] 1,103,747 users
Featured Extensions See all »
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This add-on is not compatible with your version of Firefox because of the following:
22,078 users -
This add-on is not compatible with your version of Firefox because of the following:
34,211 users -
This add-on is not compatible with your version of Firefox because of the following:
40,053 users -
This add-on is not compatible with your version of Firefox because of the following:
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey29,413 users -
This add-on is not compatible with your version of Firefox because of the following:
79,711 users -
This add-on is not compatible with your version of Firefox because of the following:
357,485 users -
This add-on is not compatible with your version of Firefox because of the following:
24,155 users -
This add-on is not compatible with your version of Firefox because of the following:
28,709 users -
This add-on is not compatible with your version of Firefox because of the following:
125,657 users -
This add-on is not compatible with your version of Firefox because of the following:
285,747 users -
This add-on is not compatible with your version of Firefox because of the following:
37,469 users -
This add-on is not compatible with your version of Firefox because of the following:
10,727 users -
This add-on is not compatible with your version of Firefox because of the following:
127,139 users -
This add-on is not compatible with your version of Firefox because of the following:
114,664 users -
This add-on is not compatible with your version of Firefox because of the following:
382,919 users -
This add-on is not compatible with your version of Firefox because of the following:
113,144 users -
This add-on is not compatible with your version of Firefox because of the following:
24,616 users -
This add-on is not compatible with your version of Firefox because of the following:
232,159 users
Up & Coming Extensions See all »
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This add-on is not compatible with your version of Firefox because of the following:
39,703 users -
This add-on is not compatible with your version of Firefox because of the following:
3,045 users -
This add-on is not compatible with your version of Firefox because of the following:
Block websites you don't want the browser to get into.
Block by a whole domain name or a specific address.
Block until further notice or until a certain date.2,240 users -
This add-on is not compatible with your version of Firefox because of the following:
It works with v3.0b6 and newer nightly builds.7,587 users -
This add-on is not compatible with your version of Firefox because of the following:
77,607 users -
This add-on is not compatible with your version of Firefox because of the following:
You must be authenticated to a webNetwork server to use this add-on.3,626 users -
This add-on is not compatible with your version of Firefox because of the following:
1,731 users -
This add-on is not compatible with your version of Firefox because of the following:
2,764 users -
This add-on is not compatible with your version of Firefox because of the following:
1,383 users -
This add-on is not compatible with your version of Firefox because of the following:
2,990 users -
This add-on is not compatible with your version of Firefox because of the following:
1,589 users -
This add-on is not compatible with your version of Firefox because of the following:
2,834 users -
This add-on is not compatible with your version of Firefox because of the following:
22,064 users -
This add-on is not compatible with your version of Firefox because of the following:
1,696 users -
This add-on is not compatible with your version of Firefox because of the following:
58,219 users -
This add-on is not compatible with your version of Firefox because of the following:
6,523 users -
This add-on is not compatible with your version of Firefox because of the following:
5,531 users -
This add-on is not compatible with your version of Firefox because of the following:
2,733 users
Featured Themes See all »
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Red & White Hearts by MaDonna
45 users -
Venice gondolas
458 users -
Weiße Blüten
13 users -
Frozen lake - Jen
1,360 users -
kosmos,planeti
572 users -
naktis
360 users -
狮子座
467 users -
Worlds Apart by MaDonna
2,124 users -
Winter Flowers - Jen
310 users -
A collage of Rositsa
469 users -
Kitty Bad Hair Day
499 users -
Squirrel and Wolf by MaDonna
195 users -
galaxypurple
228 users -
Blue Swirls of Light
309 users -
Desert Dawn II by MaDonna
446 users -
Cerebral Zen
131 users -
cubiccube
662 users -
Japanese cherry さくらんぼ
10 users
Featured Collections See all »
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