Firefox Useful Addons

by PowerShot

29 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,809 reviews

20,619,547 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 986 reviews

1,302,204 users

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

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

Rated 4 out of 5 stars 441 reviews

336,652 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.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,589 reviews

842,022 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.

Flagfox by Dave G

Rated 5 out of 5 stars 652 reviews

525,145 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

Rated 2 out of 5 stars 898 reviews

391,479 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

273,013 users

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

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 286 reviews

140,632 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 350 reviews

143,135 users

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

RightToClick by IKRG

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

gtranslate by Pau Tomàs, Pierre Bertet, others

Rated 4 out of 5 stars 510 reviews

82,258 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 323 reviews

40,780 users

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

Default FullZoom Level by White Alice0775

Set Default FullZoom Level,
Toolbar buttons for Page zoom and Text zoom.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 637 reviews

79,469 users

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

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 392 reviews

82,134 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.
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