Add-ons/Extensions:

Add-ons and extensions which will help in you daily work :

Firefox Add-ons

• Web developer toolbar
• Fireshot - Screenshot capture (IE support)
• Yslow - Performance tool
• Firebug - Debugging tool
• Iopus IMacros - Capture/plyback tool (like selenium)
• ColorZilla - Color selection
• XSS ME - Security testing tool
• SQL Inject me - Security testing tool

Chrome extensions:

• Quicknote/Drive notepad
• Awesome Screenshot - Screenshot capture
• Edit this Cookie 
• XSS rays
• Speed tracer
• JSONView 

Screenshot and video capture

• Jing – This can be used by any browser http://www.techsmith.com/download/jing/default.asp