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by Максим

18 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,662 reviews

11,785,840 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Video DownloadHelper by mig

Rated 4 out of 5 stars 12,936 reviews

3,235,993 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

NoScript Security Suite by Giorgio Maone

Rated 4 out of 5 stars 2,626 reviews

932,621 users

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, "Spectre", "Meltdown" and other JavaScript exploits.
Fx52? https://noscript.net/getit

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,649 reviews

621,785 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,701 reviews

779,740 users

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...

Web Developer by chrispederick

Rated 4 out of 5 stars 491 reviews

257,039 users

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

Web of Trust, MyWOT/WOT: Website Reputation Rating by WOT Services

Rated 4 out of 5 stars 1,537 reviews

234,517 users

Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 3,019 reviews

405,570 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 331 reviews

141,390 users

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

Autofill (Legacy) by thdoan

Rated 4 out of 5 stars 85 reviews

10,121 users

Autofill is a small but powerful add-on that serves one purpose: fill form fields automatically on page load. It is for people who just want a straightforward form filler without all the bells and whistles.

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,524 reviews

131,917 users

Direct access to your most visited websites

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,155 reviews

181,461 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

SQL Inject Me by Security Compass

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Experimental

Rated 4 out of 5 stars 34 reviews

4,062 users

SQL Injection vulnerabilites can cause a lot of damage to a web application. A malicious user can possibly view records, delete records, drop tables or gain access to your server. SQL Inject-Me is Firefox Extension used to test for SQL Injection vuln...

XPather by Viktor Zigo

Rated 4 out of 5 stars 34 reviews

584 users

Feature rich XPath generator, editor, inspector and simple extraction tool...

XSS Me by Security Compass

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Experimental

Rated 3 out of 5 stars 16 reviews

3,531 users

Cross-Site Scripting (XSS) is a common flaw found in todays web applications. XSS flaws can cause serious damage to a web application. Detecting XSS vulnerabilities early in the development process will help protect a web application from unnecessary...
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