The official Google Chrome extension gallery has lots of extensions and apps, so browse here for the 50 + most useful Google Chrome extensions that I have found.Don’t be confused how to decide or browse your likely extensions. I have segregated the 50+ chrome  extensions into several categories for easier browsing.

Communicate

Blog This! : This extension adds a Blog This! button to the toolbar that you can click to create a new Blogger post.

Word This : Create a post on your WordPress.com or Self Hosted WordPress Blog about the current page you’re viewing.

Email this page : This extension adds a button to the toolbar that you can click to email the link of the page you’re on, using either your default email service or Gmail.

Google Mail Checker : Displays the number of unread messages in your Google Mail inbox. You can also click the button to open your inbox.

Google Voice : Make calls, send SMS, preview Inbox, and get notified of new messages. (US only)

Orkut Chrome Extension : Quickly jump to a friend’s page, share a page on orkut and receive new scrap/update notifications.

Send from Gmail : Makes Gmail your default email application and provides a button to compose a Gmail message to quickly share a link via email.

Facebook Chat : Allows you to quickly find online friends and chat with them in Facebook.

Facebook Notifications : Displays an alert whenever new notifications are available for your Facebook account in the toolbar.

Facebook Search : Facebook search allows you to search people on various social networks such as facebook, linkedin, myspace, orkut and many many more.

Facemoods : Facemoods is a free extension for Facebook Chat that gives you a huge collection of Emoticons, Winks,Text Effects and more! Get facemoods and start sending amazing facemoods content to all of your friends!

Video Downloader : Get download links from all popular video sites like Youtube, Metacafe, Dailymotion, Vimeo and more.

Chromed Bird Twitter : Follow your Twitter account easily in Google Chrome.

Twitter : An excellent Twitter extension for Google Chrome, which allows you to follow your friends and quickly update your account.

Twitter Share : Quickly share any website Link on Twitter with this extension.

Feedly for Chrome : An excellent Google Reader replacement, Feedly allows you to read your feeds in a much better way.

Bookmarking & Session Management :

Read It Later : Quickly add content to your Read It Later account in one click.

Delicious : Quickly Bookmark a webpage to your Delicious account.

Chrome Session Saver : Allows you to save all the open tabs as a session and open them up later.

Google Bookmarks : Adds a Google bookmarks button which displays the bookmarks from your Goolge Bookmarks account in a dropdown list.

Blogging and Developer Related :

Pagerank Checker : Adds a Icon in the toolbar using which you can check pagerank of the site you have opened.

IE Tab : This extension will allow you to use Internet explorer rendering to display pages in Google Chrome.

XML Tree : Adds XML rendering support to Google Chrome.

Proxy Switcher : Allows you to quickly switch between proxy servers in Google Chrome.

Chrome Window Resizer : Allows you to quickly resize the current window to match your browsing experience.

WhoIs Checker : Allows you to quickly check details about the current website you are viewing.

Auto Reload : Auto Reload webpages after certain time intervals.

Web Developer Mini : Shows you some useful options which will come in handy for web development.

Task, To-Do and Notes :

Google Tasks : Provides a quick way to access and manage your Google Task account in Google Chrome.

Stick Notes : This Extension will allow you to create Sticky Notes in Google Chrome.

Google Notepad : Allows you to quickly create notes in Google Notebook.

Things To Do : Replaces the new tab page in Chrome with a TO-DO list you can manage and edit.

Collaborate :

Docs PDF/PowerPoint Viewer : Automatically previews pdfs, powerpoint presentations, and other documents in Google Docs Viewer.

Google Calendar Checker : Quickly see the time until your next meeting. Click the button to open your calendar.

Password Management :

Super Chrome Pass Extension : Allows you to create and manage passwords in Google Chrome.

Lastpass : Access your Lastpass account from Google Chrome and manage all your passwords.

Quick Password Generator : Created passwords you can remember for several websites by using a base password.

Page Tools :

Google Dictionary : View definitions easily as you browse the web.

Google Share Button : Use the Share extension to share webpages via your social networks, email and blogs.

Google Sidewiki : Contribute and read helpful information next to any webpage.

Google Translate : This extension translates entire webpages into a language of your choice with one click. By the Google Translate team.

Secbrowsing Plug-in Version Checker : Periodically checks that all your plugins are up-to-date.

Speed Tracer : Get insight into the performance of your web applications.

Google Quick Scroll : Quick Scroll lets you jump directly to the relevant bits of a Google search result.

Google Reader Notifier : Displays the number of unread items in your Google Reader account. Clicking can show a preview popup or open your Reader account.

Google Buzz Button : Click to post the page you’re on to Google Buzz. You can also quickly see the “Buzz Count” for each page you visit! (enable in Options menu)

Google Similar Pages beta : Discover webpages similar to the page you’re currently browsing.

Knol Buddy : Knol Buddy helps you discover interesting knols while you browse the web.

News Reader : Displays the 5 most recent Top Stories from Google News (U.S. edition) in a popup.

RSS Subscription Extension : Adds one-click subscription to your toolbar.

Select to get Maps : Select addresses on any webpage to get useful maps links.

Misc :

AdBlock+ : Allows you to block ads in Google Chrome.

Inline Google Search : Allows you to search Google in an inline window.

Click & Clean : Provides a toolbar icon for one-click deletion of your browsing history, download history, cookies and other browsing data.

Google Checkout Promo Notifier : Allows users to be notified when visiting a store running a Google Checkout promotion. The promotion details will also be displayed.

Favorite Doodle : Replaces Google’s logo with your favorite doodle.

Slideshow : Turn your favorite photo sites, such as Flickr, Picasa, Facebook, and Google Images into a slideshow.

OOPS!! Chrome has lot of extensions. Browse more on http://www.chromeextensions.org/ and https://chrome.google.com/extensions.

So friends, which extension you liked the most? 🙂