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<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav> <ul class="sidebar-links"><li><div class="sidebar-group first"><p class="sidebar-heading"><span>Basics</span> <!----></p> <ul class="sidebar-group-items"><li><a href="/2.4/guide/installation.html" class="sidebar-link">Installation</a></li><li><a href="/2.4/guide/usage.html" class="sidebar-link">Usage</a></li></ul></div></li><li><div class="sidebar-group"><p class="sidebar-heading open"><span>Development</span> <!----></p> <ul class="sidebar-group-items"><li><a href="/2.4/guide/api.html" class="sidebar-link">API</a></li><li><a href="/2.4/guide/architecture.html" class="sidebar-link">Application architecture</a></li><li><a href="/2.4/guide/debugging.html" class="sidebar-link">Debugging</a></li><li><a href="/2.4/guide/freezing.html" class="sidebar-link">Freezing</a></li><li><a href="/2.4/guide/security.html" class="sidebar-link">Security</a></li><li><a href="/2.4/guide/virtualenv.html" class="sidebar-link">Virtual environment</a></li><li><a href="/2.4/guide/renderer.html" class="active sidebar-link">Web engine</a></li></ul></div></li></ul> </div> <div class="page"> <div class="content"><h1 id="web-engine"><a href="#web-engine" aria-hidden="true" class="header-anchor">#</a> Web engine</h1> <p>The following renderers are used on each platform</p> <table><thead><tr><th>Platform</th> <th>Renderer</th> <th>Provider</th> <th>Browser compatibility</th></tr></thead> <tbody><tr><td>GTK</td> <td>WebKit</td> <td>WebKit2</td> <td></td></tr> <tr><td>macOS</td> <td>WebKit</td> <td>WebKit.WKWebView (bundled with OS)</td> <td></td></tr> <tr><td>QT</td> <td>WebKit</td> <td>QtWebKit</td> <td></td></tr> <tr><td>Windows</td> <td>Trident</td> <td>MSHTML via .NET / System.Windows.Forms.WebBrowser</td> <td>IE11 (Windows 10/8/7)</td></tr> <tr><td>Windows</td> <td>CEF</td> <td>CEF Python</td> <td>Chrome 66</td></tr></tbody></table> <p>To change a default renderer set either <code>PYWEBVIEW_GUI</code> environment variable or <code>webview.gui</code> value in the code. Available values are <code>cef</code> (Windows), <code>qt</code> (Linux, macOS) and <code>gtk</code> (Linux).</p> <p>For example to use CEF on Windows</p> <div class="language-bash extra-class"><pre class="language-bash"><code>PYWEBVIEW_GUI<span class="token operator">=</span>cef
</code></pre></div><p>or</p> <div class="language-python extra-class"><pre class="language-python"><code><span class="token keyword">import</span> webview
webview<span class="token punctuation">.</span>config<span class="token punctuation">.</span>gui <span class="token operator">=</span> <span class="token string">'cef'</span>
</code></pre></div><p>To force QT on Linux systems</p> <div class="language-bash extra-class"><pre class="language-bash"><code>PYWEBVIEW_GUI<span class="token operator">=</span>qt
</code></pre></div><p>or</p> <div class="language-python extra-class"><pre class="language-python"><code><span class="token keyword">import</span> webview
webview<span class="token punctuation">.</span>config<span class="token punctuation">.</span>gui <span class="token operator">=</span> <span class="token string">'qt'</span>
</code></pre></div></div> <div class="page-edit"><div class="edit-link"><a href="https://github.com/r0x0r/pywebview/edit/docs/docs/guide/renderer.md" target="_blank" rel="noopener noreferrer">Help us improve this page!</a> <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></div> <!----></div> <div class="page-nav"><p class="inner"><span class="prev">
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