1<h1 id="What-are-extensions">What are extensions?</h1> 2 3<p> 4 Extensions are small software programs that 5 can modify and enhance the functionality of the Chrome browser. 6 You write them using web technologies such as 7 HTML, JavaScript, and CSS. 8</p> 9 10<p> 11 <img src="{{static}}/images/index/gmail-small.png" 12 width="91" 13 height="35" 14 align="right" 15 style="margin-top:0px; margin-left:0.5em" 16 alt="A screenshot of an extension's icon in the browser bar"> 17 Extensions have little to no user interface. 18 For example, the image to the right shows the icon 19 that provides the UI for the 20 <a href="samples#google-mail-checker">Google Mail Checker extension</a>. 21</p> 22 23<p> 24 Extensions bundle all their files 25 into a single file that the user downloads and installs. 26 This bundling means that, unlike ordinary web apps, 27 extensions don't need to depend 28 on content from the web. 29</p> 30 31<p> 32 You can distribute your extension 33 using the 34 <a href="https://chrome.google.com/webstore/developer/dashboard">Chrome Developer Dashboard</a> 35 to publish to the 36 <a href="http://chrome.google.com/webstore">Chrome Web Store</a>. 37 For more information, see the 38 <a href="http://code.google.com/chrome/webstore">store developer documentation</a>. 39</p> 40 41<h2 id="How-do-I-start">How do I start?</h2> 42<ol> 43 <li> 44 Follow the <a href="getstarted">Getting Started tutorial</a> 45 </li> 46 <li> 47 Read the 48 <a href="overview">Overview</a> 49 </li> 50 <li> 51 Keep up-to-date by reading the 52 <a href="http://blog.chromium.org/">Chromium blog</a> 53 </li> 54 <li> 55 Subscribe to the 56 <a href="http://groups.google.com/a/chromium.org/group/chromium-extensions">chromium-extensions group</a> 57 </li> 58</ol> 59 60<h2 id="Featured-videos">Featured videos</h2> 61 62<p> 63 <a href="http://www.youtube.com/view_play_list?p=CA101D6A85FE9D4B">Technical videos</a> <br> 64 <a href="http://www.youtube.com/view_play_list?p=38DF05697DE372B1">Developer snapshots</a> (below) 65</p> 66 67<div class="video-container"> 68 <iframe title="YouTube video player" width="640" height="390" src="//www.youtube.com/embed/wRDPTnY3yO8?rel=0" frameborder="0" allowfullscreen=""></iframe> 69</div> 70