Web Development

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Ahrefs SEO Toolbar Requires Restart

Monitor key SEO metrics for individual pages, domains and inside SERPs.

* Ahrefs Rank and Ahrefs Domain Rank
* Backlinks & Referring Domains
* Social metrics for G+, FB and TW

Rated 3 out of 5 stars (16)
4,872 users

AInspector Sidebar Requires Restart

AInspector Sidebar evaluates the accessibility compliance of web pages based on WCAG 2.0 Level A and AA requirements using OpenAjax Alliance rulesets. It organizes the evaluation results by Rule Categories and WCAG Guidelines.

Rated 5 out of 5 stars (11)
2,216 users

AJAX Yahoo! Mail [Viamatic WebMail++] Requires Restart

Preview your messages with a single click. Adds AJAX support to the classic Yahoo! mail.

Rated 3 out of 5 stars (9)
8 users

AlertIP Requires Restart

Show IP of the currently loaded web page on demand in an alert prompt. This eliminates computing overhead and DNS caching issues.

Rated 4 out of 5 stars (3)
240 users

AlertStopper Requires Restart

"Google Chrome"-like option for blocking repetitive alert(), confirm() and prompt() dialogs. Gets rid of spam dialogs and other infinite loops!

With AlertStopper, dissipate your JavaScript dialogs problems instantly!

Rated 3 out of 5 stars (23)
1,054 users

Alix Compatible with Firefox 57+

Alix allows you to lint your HTML for Accessibility issues simply by applying a stylesheet that makes use of advanced CSS selectors.

Not yet rated
23 users

All About Location Bar Requires Restart

Make URL modification an accurate, smooth and simple experience

Rated 5 out of 5 stars (20)
277 users

All Downloader Professional

All Downloader Professional finds links, images, videos, documents on a website an make them downloadable.

Rated 3 out of 5 stars (28)
11,907 users

AllBlock Requires Restart

This addon lets you remove any content from any webpage. Just (Ctrl+Shift+Click) on any item on a webpage to instantly remove it.
Or press (Ctrl+Shift+Hyphen) to know what elements are there on the page.

Rated 4 out of 5 stars (9)
327 users

allcookies Requires Restart

Dumps ALL cookies (including session cookies) to Firefox standard cookies.txt file...

Rated 4 out of 5 stars (8)
12 users

Alphanumerator Requires Restart

Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...

Rated 5 out of 5 stars (2)
42 users

ALTintext Requires Restart

This extensions function is included in Advanced Dork...

Not yet rated
1 user

Ambition Requires Restart

Ambition site open when u click the status bar text

Not yet rated
1 user

AMF Explorer Requires Restart

AMF Viewing for Firebug.

Rated 5 out of 5 stars (9)
736 users

AmosFrameworkForFirebug Requires Restart

Amos Framework for Firebug Extension allows debugging of applications built with Amos Framework.

Not yet rated
14 users

Anchors reveal

Reveal the anchors in a webpage

Rated 4 out of 5 stars (3)
86 users

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
241 users

AngScope Requires Restart

Simple Firebug extension that allows you to inspect the AngularJS scope that a DOM element binds to. This is not an official extension by the Angular JS team. It's something I wrote for me and my colleagues, I find it useful and like to share.

Rated 5 out of 5 stars (13)
8,098 users

AngularBug Requires Restart

Firebug AngularJS scope inspector.

Not yet rated
1,294 users

AngularDetect

Detects the use of AngularJS on a webpage and gives you an alert when it detects AngularJS. It just gives you a heads up that hey, this site was built with angular, so that might be why its so cool! And if your an angular dev, inspiration!

Rated 3 out of 5 stars (4)
696 users