Firefox Useful Addons

by PowerShot

26 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,980 reviews

18,709,444 users

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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,024 reviews

1,171,930 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,390 reviews

766,270 users

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.

Google Translate, ImTranslator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 431 reviews

320,897 users

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX
ImTranslator translates text, words, webpages between more than 90 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

Flagfox by Dave G

Rated 5 out of 5 stars 664 reviews

460,974 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Evernote Web Clipper by Evernote

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 371 reviews

241,474 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 250 reviews

129,832 users

Screengrab! saves webpages as images.
0.99 released!
New features: upload to internet

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

132,238 users

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

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 188 reviews

70,533 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

gtranslate by Pau Tomàs, Pierre Bertet, others

Rated 4 out of 5 stars 488 reviews

74,857 users

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.

SmartVideo For YouTube by Ashish

Rated 3 out of 5 stars 344 reviews

27,787 users

Better YouTube experience. Provides 'Smart Buffer' for slow connections; auto loop; buffer preferences; quality selection; and more.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 624 reviews

71,005 users

Make any pages' search functionality available in the Search Bar (or "search box")...

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 374 reviews

69,063 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

ShowIP by ShowIP Dev Team

Download Now

Experimental

Rated 3 out of 5 stars 286 reviews

38,328 users

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.
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