Chrome. Use this extension in addition to the built-in Developer Tools Ctrl+Shift+I.
The wonderful community of WordPress developers constantly provides us with interesting new themes and plugins. I have scanned the most recent WordPress plugin releases and came up with a list of 10 plugins definitely worth taking a look at.
Keep in might that these are new releases and so, their stability and status should be considered as BETA. You might want to test them on a backup server before going live. – blogsessive.com