WonsReallyHandy

by fwonce

36 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,811 reviews

20,899,201 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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,825 reviews

2,302,390 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 986 reviews

1,322,641 users

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

iMacros for Firefox by Ipswitch

Rated 4 out of 5 stars 394 reviews

406,228 users

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 531 reviews

865,853 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 262 reviews

357,208 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 47 reviews

208,331 users

Manage any SQLite database on your computer.

Flagfox by Dave G

Rated 5 out of 5 stars 652 reviews

535,191 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...

Tamper Data by Adam Judson

Rated 4 out of 5 stars 136 reviews

114,759 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

BetterPrivacy-signed by IKRG

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

FireGestures by Gomita

Rated 4 out of 5 stars 922 reviews

372,492 users

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

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 50 reviews

119,302 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Show Selected Images by konbu

Rated 4 out of 5 stars 14 reviews

12,292 users

Allows Firefox to reload multiple images that failed to be displayed.

ScrapBook by Gomita

Rated 4 out of 5 stars 866 reviews

160,756 users

Helps you to save Web pages and organize the collection.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,415 reviews

192,233 users

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.
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