HTML-Viewer/index.html at main · IL-Internet/HTML-Viewer · GitHub

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<!doctype html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <title>HTML Viewer</title>
        <style>
            body {
                font-family: Arial, sans-serif;
            }
            .container {
                display: flex;
                gap: 20px;
            }
            textarea,
            iframe {
                flex: 1;
                height: 400px;
                overflow: auto;
                border: 1px solid #ccc;
                padding: 10px;
                box-sizing: border-box;
                resize: none;
            }
            iframe {
                padding: 0;
            }
        </style>
    </head>
    <!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-NTSZYP8Y9S"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-NTSZYP8Y9S');
</script>
    <body>
        <h3>HTML Viewer</h3>
        <button onclick="render()">Render</button>
        <button onclick="download()">Download</button>
        <div class="container">
            <textarea id="htmlInput" wrap="off" placeholder="Paste HTML here"></textarea>
            <iframe id="preview" sandbox="allow-scripts"></iframe>
        </div>
        <script>
            let htmlContent = "";
            function render() {
                htmlContent = document.getElementById("htmlInput").value.trim();
                if (!htmlContent) return;
                const iframe = document.getElementById("preview");
                iframe.srcdoc = htmlContent;
            }
            function download() {
                htmlContent = document.getElementById("htmlInput").value.trim();
                if (!htmlContent) return;
                const parser = new DOMParser();
                const doc = parser.parseFromString(htmlContent, "text/html");
                const title = doc.querySelector("title")?.textContent.trim() || "untitled";
                const blob = new Blob([htmlContent], { type: "text/html" });
                const url = URL.createObjectURL(blob);
                const a = document.createElement("a");
                a.href = url;
                a.download = `${title}.html`;
                a.click();
                URL.revokeObjectURL(url);
            }
        </script>
    </body>
</html>