⚑ ʣ “Hacker”

by zoding

20 Add-ons in this Collection

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 336 reviews

159 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

39 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 217 reviews

19 users

An HTTP analyzer addon for Firefox

AutoProxy by lovelywcm

Rated 4 out of 5 stars 409 reviews

5 users

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 52 reviews

983 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Master Password+ by V@no

Rated 4 out of 5 stars 186 reviews

240 users

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 109 reviews

11 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

WorldIP - Geo Add-on with Security Features by Alrond

Rated 5 out of 5 stars 124 reviews

21 users

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Execute JS by Rudolf Noe

Rated 5 out of 5 stars 15 reviews

0 users

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

Silent Block by Schuzak

Rated 4 out of 5 stars 31 reviews

81 users

Minimum and fast URL blocker.

View Dependencies by Florian QUEZE

Rated 4 out of 5 stars 33 reviews

1 user

View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.

Tiny JavaScript Debugger by Patrick Brunschwig

Rated 5 out of 5 stars 8 reviews

63 users

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Extension Auto-Installer by Wladimir Palant

Rated 5 out of 5 stars 48 reviews

6 users

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

InspectorWidget by Sailfish

Rated 5 out of 5 stars 10 reviews

6 users

Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.

CipherFox by Gavin Lloyd

Rated 5 out of 5 stars 34 reviews

1 user

Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog
  1. 1
  2. 2
Results 115 of 20

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections