Wordpress is the most powerful blogging CMS you can find on the internet. It’s good because it has very huge community which create good and quality extensions or plug-ins, specially for this platform. It’s really easy to find option or feature you need and which is supported by plug-ins.

Here, I will list you 22 most useful Wordpress plug-ins. These plug-ins can easily extend your WP functionality and productivity. Giving your blog more professional look and some very useful and good features and options completely for free.

22 Most Useful Wordpress Plugins

1. Adman – Plugin for inserting ads right in the middle of posts. Very useful if you want to increase your overall Click Through Rating of your ads.
2. Blog Icons – A simple method of adding favicons and iPod Touch / iPhone icons to your blog. Can use to upload and use favicon and RSS feed icon.
3. Broken Link Checker – Checks your posts for broken links and missing images and notifies you on the dashboard if any are found. Very useful plugin!
4. Daegon Design Form Mailer – The WordPress plugin version of my secure php form mailer script. Supports anti-spam protection and very easy to use.
5. Disable Revisions – Disable revision functions in WordPress and delete all entries of revisions in database. I hate these Revisions, so this is very good for me.
6. Do Follow – The dofollow plugin for WordPress lets you remove the evil nofollow attribute from your comments. Because nofollow will not work.
7. Exclude Pages – Provides a checkbox on the editing page which you can check to exclude pages from the primary navigation. Can be very useful.
8. Feedburner Plugin – Redirects the main feed and optionally the comments feed to Feedburner.com. It does this seamlessly without the need to modify templates, setup new hidden feeds, modify .htaccess files, or asking users to migrate to a new feed.
9. Flickr Management – Handles uploading, modifying images on Flickr, and insertion into posts. Very useful plugin if you want to integrate your Flickr account with your blog.
10. Recent Comments – This plugin displays excerpts of the most recent comments and/or trackbacks that have been posted to the articles in your blog.
11. Global Translator – Global Translator is a free and open source Wordpress Plugin which is able to automatically translate your blog in 41 different languages.
12. Google XML Sitemaps Generator – This plugin generates a XML-Sitemap compliant sitemap of your WordPress blog. This format is supported by Ask.com, Google, YAHOO and MSN Search.
13. HeadSpace 2 – HeadSpace is a powerful all-in-one plugin to manage meta-data and handle a wide range of SEO tasks. With it you can tag your posts, create custom titles and descriptions that improve your page ranking, change the theme or run disabled plugins on specific pages, and a whole lot more.
14. MobilePress – MobilePress is a WordPress plugin that will render your WordPress blog on mobile handsets, with the ability to use customized themes. The plugin also allows specific themes for specific devices / mobile browsers, such as iPhone, Opera Mini, Windows CE Mobile and other generic handset browsers.
15. Optimize DB – Let’s you optimize your WordPress database tables with one click. Click optimize on the right to start optimizing!
16. Permalink Redirection – A WordPress plugin that replies a 301 permanent redirect, if requested URI is different from entry’s (or archive’s) permalink.
17. Shadowbox JS – A javascript media viewer similar to Lightbox and Thickbox only better. Supports all types of media, not just images. This plugin uses Shadowbox.js.
18. Theme Test Drive – Theme Test Drive Wordpress plugin allows you to safely test drive any theme on your blog as administrator, while visitors still use the default one. It happens completely transparently and they will not even notice you run a different theme for yourself.
19. Tweet This – A plugin that adds a Twitter link to every post and page, so your readers can share your blog entries on their Twitter accounts with ease. Shortens URLs in advance.
20. Twitme – This plugin allows you to automatically post your new posts on the twitter website.
21. Video Quicktags – Just simply click one of the new buttons that this plugin adds to the write screen (rich editor included) and then paste the URL that the video is located at into the prompt box — easy as that.
22. Wordpress Popular Posts – Sidebar widget to show the most popular posts in your blog. Many options has been included in it so you can customize it to your liking.

Related posts:

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2. Most Useful Plugins, Addons and Widgets
3. Wordpress SEO Guide
4. Why you Should Use Wordpress
5. How to Reduce your Blog Bandwidth More than 300%