Google Chrome Extensions come in handy when you need to perform tasks on Google+ the easy way. Extensions make customizing and sharing fast and hassle-free. Here is a list of Chrome Extensions for Google+. 

Replies and more for Google+

-'Reply' and 'Reply to Author' links for easy +mentions of other users

-Badges the favicon with a number when you have new messages

-Ctrl+Enter and Shift+Enter submit a comment or post

-Header bar floats down as you scroll

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Surplus

-Post or respond from within the popup

-Desktop Notifications

-Notification sounds

-Switch between multiple Google accounts

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Extended Share

-Adds Twitter, Linked-In, Facebook Share Button to each post

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Photo Zoom

-Hovering over photos in stream displays larger version

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Google+Facebook

-Adds Button for Facebook stream display inside of Google+

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+1 Button

-Adds a button to +1 any web page. (+1 pages go to your profile).