This post lists 13 Chrome Extensions to aid security testers during their web application pen testing.
1. WebDeveloper
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox. Internal post here.
2. Firebug Lite
Firebug Lite provides the rich visual representation we are used to see in Firebug when it comes to HTML elements, DOM elements, and Box Model shading
3. Pendule
This addon is similar to webdeveloper but not as powerful as it is. Internal Post here.
4. Chrome Web Developer Tools
Tool to dynamically view and modify HTML elements.
5. Simple REST Client
Construct custom HTTP requests to directly test your web services.
6. View Selection Source
View selection source in resizable popup. Drag the bottom right corner to resize. Simple, but very useful for web developers.
7. Domain Details
Shows server’s IP address, country flag, software, headers, and provides links to whois reports. This is similar to the Domain Details addon for Firefox
8. Chrome Sniffer
Detect web frameworks and javascript libraries run on browsing website.
At the time of writing, this extension identifies the following apps/frameworks
Blogging Services
- Tumblr
Web Application
- vBulletin
- SMF
- phpBB
- IPB
- miniBB
- Drupal
- Ubercart
- WordPress
- bbPress
- Movable Type
- MediaWiki
- DokuWiki
- Joomla
- Magento
- Xoops
- Plone
- CMS Made Simple
- SilverStripe
- MODx
- Amiro.CMS
- Koobi
- LifeRay
- PHP Fusion
- PHP Nuke
- WebGUI
- ezPublish
- DotNetNuke
- Sitefinity
Javascript framework & tools
- jQuery & jQuery UI
- ExtJS
- Prototype
- Closure
- MooTools
- Dojo
- script.aculo.us
- YUI
- Google Analytics
- Disqus
- GetSatisfaction
- Wibiya
- reCaptcha
- Mollom
9. User-Agent Switcher
Spoofs & Mimics navigator.userAgent and navigator, vendor strings for specific sites.
10. Unencrypted Password Warning
Unencrypted Password Warning detects whether a password or credit card number is about to be sent with a form that does not use HTTPS.
11. JSONView
JSONView for chrome is an extension that helps you view JSON documents in the browser.
12. Cookie Editor
View and Edit the Cookies created by the site visible in the active page
13. Light Shot
Easy and convenient screen capture tool. Allows you to make screenshot of any selected area, edit and upload it to server. (Not really a security tool, but this can be of help to capture evidences)
14. Note Anywhere (Bonus)
With this ext, you can make notes on any web page, any position. The notes get loaded automatically whenever the page is opened. (Not really a security tool, but this can be of help to quickly jot comments on the pages where further investigation is to be done later.)




















