Web Development

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FillForms

FillForm is a small extension to help you fill page forms.
Fill out current web all forms with a keyboard shortcut(Alt + Q).

Rated 5 out of 5 stars (31)
2,672 users

Link Properties Plus

Provides extended link properties: size of linked file, last modified time, etc.

Rated 5 out of 5 stars (13)
1,731 users

Execute JS

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

Rated 5 out of 5 stars (13)
5,653 users

Extended Copy Menu (fix version)

Provides the option to copy selection as plain text or html.

Rated 5 out of 5 stars (18)
4,145 users

BetterPrivacy Featured

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...

Latest updates: See bottom link 'version history'!

Rated 5 out of 5 stars (428)
558,672 users

Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content.

Rated 5 out of 5 stars (34)
76,569 users

Advanced Dork:

Advanced Dork: gives quick access to Google's Advanced Operators directly from the context menu...

Rated 5 out of 5 stars (20)
195 users

LinkSidebar

View, search and test hyperlinks in a web page.

Perform group actions on multiple links like opening in tabs, copying link locations or testing to determine response times. Allows you to search/sort links and highlight their position on the webpage.

Rated 5 out of 5 stars (15)
1,971 users

JSON-DataView

Displays JSON data in a collapsible tree structure with syntax highlights.

Rated 5 out of 5 stars (9)
796 users

Toggle JS No Restart

A simple toolbar button to quickly toggle javascript between enabled or disabled.
A green shield is shown when javascript is enabled and a red shield is shown when it is disabled

Rated 5 out of 5 stars (9)
4,354 users

Free OmniGraffle (.graffle) Viewer No Restart

Open your OmniGraffle files for free

Rated 5 out of 5 stars (9)
111 users

Fusebox 5 Reload

This extension (for Firefox 1.5 - 3.0) adds a menu item to the context menu (right-click) and the Tools menu to rebuild the Fusebox 5 memory structure and reparse the XML files. It includes the new (in Fusebox 5) options to loadclean and parseall. Yo...

Rated 5 out of 5 stars (17)
133 users

StyleSheet Chooser Plus

StyleSheet Chooser Plus (aka SSCP) persists choice of website stylesheets.

Rated 5 out of 5 stars (17)
119 users

View formatted source (format source extension)

Displays formatted and color-coded source and optional CSS information for each element. ...

Rated 5 out of 5 stars (22)
258 users

CoLT

CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!

Rated 5 out of 5 stars (93)
7,823 users

5336游戏开服表

网页游戏开服表提供最新,最权威开服数据.尽享玩游戏一站式便利.上5336游戏开服表,天下页游尽在掌握

Rated 5 out of 5 stars (14)
355 users

Element Properties

Returns the 'Properties' menu item that was removed in Firefox 3.6 to the context menu.

Rated 5 out of 5 stars (105)
5,539 users

HideScrollbars No Restart

"Hide Scrollbars" add-on removes scrollbars for those who prefer mouse wheel and keyboard navigation.

Rated 5 out of 5 stars (13)
1,985 users

Print Preview Button

Adds a print preview toolbar button. After installing the extension, find the print preview button in the toolbar customization...
Print Preview in Firefox only available in Windows

Rated 5 out of 5 stars (7)
4,156 users

UnicodetoHTML

Converts selected unicode text to HTML character codes with right-click.

Rated 5 out of 5 stars (7)
363 users