Search Results for tag "developer"

Firebug

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...

Rated 4 out of 5 stars (2,365)
29,581 weekly downloads

Web Developer Compatible with Firefox 57+

The Web Developer extension adds various web developer tools to the browser.

Rated 4 out of 5 stars (355)
20,611 weekly downloads

RESTED Compatible with Firefox 57+

A REST client for the rest of us

Rated 4 out of 5 stars (27)
4,840 weekly downloads

Flagfox

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...

Rated 5 out of 5 stars (738)
4,448 weekly downloads

Measure-it Compatible with Firefox 57+

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

Rated 5 out of 5 stars (12)
4,216 weekly downloads

Clear Cache Compatible with Firefox 57+

Clear browser cache with a single click or via the F9 key.

F9 Fever! ;)

Rated 4 out of 5 stars (34)
3,887 weekly downloads

Html Validator Compatible with Firefox 57+

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

For Firefox 56, use 0.974 (see all versions below).
For Firefox 57, see Web Extensions.

Rated 4 out of 5 stars (209)
3,217 weekly downloads

HttpFox Requires Restart

An HTTP analyzer addon for Firefox

Rated 4 out of 5 stars (175)
1,743 weekly downloads

Nightly Tester Tools Compatible with Firefox 57+

Nightly Tester Tools (NTT) is an add-on for aiding testers of Nightly builds of Mozilla apps including Firefox.

Rated 4 out of 5 stars (189)
1,447 weekly downloads

Octotree Compatible with Firefox 57+

Add-on to display GitHub code in tree format

Rated 5 out of 5 stars (38)
1,221 weekly downloads

Form Filler Compatible with Firefox 57+

This extension allows you to fill all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with **random/dummy** data.

The purpose of this extension is to help developers test their forms quickly and easily.

Rated 4 out of 5 stars (10)
978 weekly downloads

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Rated 4 out of 5 stars (118)
966 weekly downloads

View Source Compatible with Firefox 57+

View Source button to easily open up View Source tab for the web page.

Rated 5 out of 5 stars (7)
880 weekly downloads

JSONovich Compatible with Firefox 57+

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (44)
828 weekly downloads

YSlow Requires Restart

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

Rated 3 out of 5 stars (208)
465 weekly downloads

DOM Inspector Requires Restart

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Rated 5 out of 5 stars (75)
397 weekly downloads

FirePHP Requires Restart

Log from PHP to a devtools panel.

Rated 4 out of 5 stars (52)
194 weekly downloads

Developer Tools - toolbar button Requires Restart

Access and activate the native Firefox Web Developer tools faster through this toolbar button (menu). Button can be placed on any toolbar.

Rated 5 out of 5 stars (10)
153 weekly downloads

Fresh Dom Tree View Compatible with Firefox 57+

Web developers can inspect the DOM in a simple, intuitive way - like a pine tree!
On a web page, right-click and select Fresh Dom Tree View. Then explore: click within the generated dom tree, or mouse-over within the web page.

Rated 5 out of 5 stars (1)
112 weekly downloads

Advanced GitHub Notifier Compatible with Firefox 57+

Shows notifications when you get a new notification on GitHub and provides quick access to all notifications in a popup.

Rated 5 out of 5 stars (5)
91 weekly downloads