Web Development

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Cache Status

Easy cache status & management from status...

Rated 4 out of 5 stars (110)
21,499 users
Updated August 3, 2015

ShowIP [private] No Restart

Features:

1. Shows the IP address of the current page in the status bar (currently only updated once the page has fully loaded).
2. Easy copy-to-clipboard functionality (click the IP icon)
3. Complete privacy (unlike the original ShowIP )

Rated 4 out of 5 stars (2)
115 users
Updated August 2, 2015

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,490)
2,145,276 users
Updated August 2, 2015

SeoQuake SEO extension

Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.

Rated 4 out of 5 stars (207)
89,004 users
Updated July 30, 2015

Easy Clear Cache No Restart

One click to clear browser cache.

F.A.Q.
Q. Is this a joke?
A. No, it is just a button the clears the cache

Q. Where is the button?
A. It should be at the top next to the menu, if it is not, go to customize to see all buttons

Rated 1 out of 5 stars (1)
95 users
Updated July 30, 2015

Disable WebRTC No Restart

WebRTC exposes your internal network IP(s), without user interaction.

Rated 4 out of 5 stars (18)
54,674 users
Updated July 30, 2015

JavaScript Deobfuscator No Restart

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Rated 5 out of 5 stars (20)
55,457 users
Updated July 28, 2015

DevTools Toolbar Items

Adds a toggle devtools button, a responsive mode button, an eyedropper button, a scratchpad button, a browser Toolbox button, a page source button and a developer toolbar button for easy access.

Rated 3 out of 5 stars (1)
286 users
Updated July 27, 2015

SERPTrends SEO Extension

SEO Extension SERPTrends for Firefox is a lightweight SEO tool which shows dynamics for the search results within the search page: whether the website moved up, down in the SERP, just appeared (is "new") or hasn't changed its position.

Rated 5 out of 5 stars (2)
2,344 users
Updated July 24, 2015

REST Easy No Restart

A simple REST client for Firefox

Rated 4 out of 5 stars (19)
23,505 users
Updated July 24, 2015

HTTP Header Mangler No Restart

HTTP Header Mangler inserts HTTP headers on a per host basis.

Rated 4 out of 5 stars (5)
1,566 users
Updated July 23, 2015

Search on Stackoverflow

Exclusive complement to search the selected word on Stackoverflow.

Any bug report here

Not yet rated
37 users
Updated July 23, 2015

ValidateThisWebPage

This is an extension to validate online HTML pages using W3C validation service.

Not yet rated
3 users
Updated July 22, 2015

ColorfulTabs Featured

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

Rated 4 out of 5 stars (977)
225,673 users
Updated July 21, 2015

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1,166)
1,412,400 users
Updated July 21, 2015

SEO Toolbar

The SEO Toolbar shows PageRank, Alexa, Popularity Index, Compete & SEMRush Rank for any website you visit - all on the one toolbar. Other SEO features include Search Engine view, server header view, Wayback Machine button and handy website links.

Rated 5 out of 5 stars (9)
5,132 users
Updated July 20, 2015

CacheViewer

This extenion is GUI Front-end of "about:cache"...

Rated 4 out of 5 stars (219)
50,512 users
Updated July 18, 2015

Flagfox No Restart

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 (632)
613,659 users
Updated July 17, 2015

Xceptance LoadTest Script Developer

Script Developer is a Firefox extension that lets you record, edit, and replay Selenium-style scripts. It is your place to record, edit, and replay tests with Firefox. The generated scripts can later be used with any WebDriver via the XLT Framework.

Not yet rated
47 users
Updated July 17, 2015

Tab Data (+Memory usage) No Restart

Provides user with tab related stats and memory usage

Rated 4 out of 5 stars (28)
9,819 users
Updated July 17, 2015