Here is a list of plugins and extensions sorted according to browser availability which I use on a daily basis and others that I find quite useful.
EditThisCookie
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Developer Website | Download
PageSpeed Insights (with PNaCl)
Analyze the performance of your webpages and get specific suggestions on how to optimize them.
Developer Website | Download
Wappalyzer
Identifies software on the web.
Developer Website | Download
WhatFont
The easiest way to identify fonts on web pages.
Developer Website | Download
Ghostery
Protect your privacy. See who's tracking your web browsing with Ghostery.
Developer Website | Download
Window Resizer
Resize browser window to emulate various screen resolutions
Download
anonymoX
Easy anonymous web browsing.
- Change your IP-Address and country
- Visit blocked or censored websites.
- Delete cookies, show your public ip, and more
Web Developer Tools
The Web Developer extension adds various web developer tools to the browser.
Download
User Agent Switcher
This extensions allows you to change the User Agent of your browser. This allows you to trick your website into thinking that you are using Internet Explorer, an iPhone, Andorid, etc.
Download
IE Tab
It exactly emulates IE by using the IE rendering engine directly within Chrome. This will enable you to use ActiveX controls and test your web pages with different versions of IE (IE6, IE7, IE8, or IE9).
Download
Wappalyzer
Identifies software on the web.
Developer Website | Download
Ghostery
Protect your privacy. See who's tracking your web browsing with Ghostery.
Developer Website | Download
Flagfox
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...
Developer Website | Download
Live HTTP Headers
View HTTP headers of a page and while browsing.
Download
anonymoX
Easy anonymous web browsing.
- Change your IP-Address and country
- Visit blocked or censored websites.
- Delete cookies, show your public ip, and more
SQL Inject Me
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 vulnerabilities.
Download
XSS Me
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 flaws. XSS-Me is the Exploit-Me tool used to test for reflected XSS vulnerabilities.
Download
Cookies Manager+
Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
Download
Web Developer Tools
The Web Developer extension adds various web developer tools to the browser.
Download
The above are only a few extensions that are available. Here is a list of webpages that offer a few more extensions that you might find useful.
http://www.developerdrive.com/2016/12/15-chrome-extensions-that-simplify-web-development/
