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 <section id="technical-overview">
 <span id="overview"></span><h1 id="technical-overview"><span id="overview"></span>Technical Overview</h1>
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 <ul class="small-gap">
 <li><a class="reference internal" href="#introduction" id="id2">Introduction</a></li>
 <li><a class="reference internal" href="#why-use-native-client" id="id3">Why use Native Client?</a></li>
 <li><a class="reference internal" href="#common-use-cases" id="id4">Common use cases</a></li>
 <li><p class="first"><a class="reference internal" href="#how-native-client-works" id="id5">How Native Client works</a></p>
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 <li><a class="reference internal" href="#security" id="id6">Security</a></li>
 <li><a class="reference internal" href="#portability" id="id7">Portability</a></li>
 <li><a class="reference internal" href="#toolchains" id="id8">Toolchains</a></li>
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 <li><p class="first"><a class="reference internal" href="#native-client-in-a-web-application" id="id9">Native Client in a web application</a></p>
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 <li><a class="reference internal" href="#pepper-plugin-api" id="id10">Pepper Plugin API</a></li>
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 <li><a class="reference internal" href="#versioning" id="id11">Versioning</a></li>
 <li><a class="reference internal" href="#where-to-start" id="id12">Where to start</a></li>
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 <h2 id="introduction">Introduction</h2>
 <p><strong>Native Client</strong> (NaCl) is an open-source technology for running native
 compiled code in the browser, with the goal of maintaining the portability
 and safety that users expect from web applications. Native Client expands web
 programming beyond JavaScript, enabling developers to enhance their web
 applications using their preferred language. This document describes some of
 the key benefits and common use cases of Native Client.</p>
 <p>Google has implemented the open-source <a class="reference external" href="http://www.chromium.org/nativeclient">Native Client project</a> in the Chrome browser on Windows, Mac,
 Linux, and Chrome OS. The <a class="reference internal" href="/native-client/sdk/download.html"><em>Native Client Software Development Kit (SDK)</em></a>, itself an open-source project, lets developers create web
 applications that use NaCl and run in Chrome across multiple platforms.</p>
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 help developers make adjustments to API changes and take advantage of new
 features.</p>
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 <h2 id="where-to-start">Where to start</h2>
 <p>The <a class="reference internal" href="/native-client/quick-start.html"><em>Quick Start</em></a> document provides links to downloads and
 documentation that should help you get started with developing and distributing
 Native Client applications.</p>
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