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Flash Debugger

Debug Flash/SWF/Flex files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer, profile memory consumption and much much more...

Rated 1 out of 5 stars (2)
2,017 users

SelBlocks (for Selenium IDE) Requires Restart

This is a language extension for Selenium IDE that provides javascript-like conditionals, looping, callable functions, error catching, and JSON/XML driven parametrization.

Rated 4 out of 5 stars (2)
6,372 users

Color Management Requires Restart

Provides a GUI front end for enabling color management in Firefox and Songbird.

Rated 4 out of 5 stars (43)
5,791 users

WebDriver Element Locator

This addon is designed to support and speed up the creation of WebDriver scripts by easing the location of web elements.

Rated 5 out of 5 stars (19)
5,065 users

Selenium IDE: Signature Requires Restart

Signature functions for Selenium IDE

Not yet rated
2,804 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (19)
7,660 users

WCAG Contrast checker Requires Restart

Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.

Rated 4 out of 5 stars (9)
4,646 users

Dust-Me Selectors Requires Restart

Dust-Me Selectors is development tool to remove unused CSS selectors.

Rated 4 out of 5 stars (84)
16,170 users

SAML tracer

Debug and view SAML messages

Rated 4 out of 5 stars (7)
16,519 users

toggle Responsive Requires Restart

Toggle responsive design mode with a button.

Rated 5 out of 5 stars (3)
4,162 users

Selenium IDE: Perl Formatter Requires Restart

Perl code formatters for Selenium IDE Project

Rated 4 out of 5 stars (1)
2,216 users

TortoiseSVN Menu Requires Restart

Add TortoiseSVN commands to link context menus to allow easily browsing Subversion repositories. Must have TortoiseSVN already installed.

Rated 4 out of 5 stars (8)
1,123 users

BetterPrivacy-signed Requires Restart Featured

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Rated 5 out of 5 stars (440)
478,223 users

LiveReload Requires Restart

LiveReload refreshes a web page when files change. Requires the official LiveReload for Mac app or another compatible third-party server/plugin.

Rated 4 out of 5 stars (19)
6,503 users

Dafizilla Table2Clipboard Requires Restart

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...

Rated 5 out of 5 stars (63)
18,574 users

MobileView

MobileView shows a panel with the current Tab content in phone-like panel

Rated 3 out of 5 stars (6)
2,128 users

Xml Pretty Viewer

A simple tool to help you check xml document in Firefox.

Rated 4 out of 5 stars (8)
2,976 users

Fangs Screen Reader Emulator Requires Restart

Fangs renders a text version of a web page similar to how a screen reader would read it. The ambition is to help developers understand how an assistive device would present a website and thereby increase chances of finding accessibility issues early.

Rated 5 out of 5 stars (10)
4,550 users

Html Validator Requires Restart

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Rated 4 out of 5 stars (215)
52,200 users

IE Tab V2 (Enhanced IE Tab) Requires Restart

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

Rated 4 out of 5 stars (437)
520,352 users