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 (2,634)
879,487 users

Web Developer Compatible with Firefox 57+

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

Rated 4 out of 5 stars (472)
266,777 users

Flagfox Compatible with Firefox 57+

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 (850)
249,401 users

Java Redirector Compatible with Firefox 57+

Redirects your Browser to the newest version of the javadocs.

Rated 5 out of 5 stars (18)
16,052 users

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 (48)
24,242 users

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 4 out of 5 stars (30)
19,370 users

RESTED Compatible with Firefox 57+

A REST client for the rest of us

Rated 4 out of 5 stars (43)
21,596 users

HttpFox Requires Restart

An HTTP analyzer addon for Firefox

Rated 4 out of 5 stars (205)
39,416 users

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 (212)
31,199 users

Octotree Compatible with Firefox 57+

Add-on to display GitHub code in tree format

Rated 5 out of 5 stars (104)
8,824 users

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 (194)
13,331 users

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 5 out of 5 stars (20)
2,681 users

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 (11)
7,442 users

Disable Add-on Compatibility Checks

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

Rated 4 out of 5 stars (119)
25,475 users

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 (77)
58,252 users

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 (211)
25,437 users

JSONovich Compatible with Firefox 57+

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

Rated 4 out of 5 stars (47)
5,051 users

FirePHP Requires Restart

Log from PHP to a devtools panel.

Rated 4 out of 5 stars (59)
14,487 users

Display Page Resolution Compatible with Firefox 57+

Displays the page's current resolution in a tidy box at the top right.
Requires zero permissions and completely open source.

Rated 5 out of 5 stars (2)
291 users

Open Pesticide Compatible with Firefox 57+

Outlines each element on the page to help you visualize their dimensions and overcome those annoying CSS layout issues.
Requires zero permissions and completely open source.

Rated 5 out of 5 stars (6)
226 users