Source Viewer

View the HTML source code of any online web page. (use the Tampermonkey Command Menu)
Version au 16/04/2026. Voir la dernière version.
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// ==UserScript==
// @version 6.8.2
// @name Source Viewer
// @name:de Seitenquelltext anzeigen
// @description View the HTML source code of any online web page. (use the Tampermonkey Command Menu)
// @description:de Schauen Sie sich den Seitenquelltext von jeder beliebigen Website an.
// @author       JAS1998 (https://greasyfork.org/users/4792)
// @copyright    2013+, JAS1998
// @namespace https://greasyfork.org/users/4792
// @supportURL https://greasyfork.org/scripts/4611/feedback
// @license CC BY-NC-ND 4.0; http://creativecommons.org/licenses/by-nc-nd/4.0/
// @noframes
// @compatible Chrome tested with Tampermonkey
// @contributionURL https://www.paypal.com/donate?hosted_button_id=9JEGCDFJJHWU8
// @contributionAmount €1.00
// @grant GM_registerMenuCommand
// @grant GM_notification
// @match *://*/*
// ==/UserScript==

/* jshint esversion: 9 */

(function() {
    'use strict';

    GM_registerMenuCommand("🔍 View Source: " + window.location.hostname, function () {
        
        if (!GM_info.script.copyright.includes("JAS1998") || GM_info.script.namespace !== "https://greasyfork.org/users/4792") {
            alert("Integrity check failed. Please use the original version.");
            location.href = "https://greasyfork.org/scripts/4611";
            return;
        }

        const doctype = new XMLSerializer().serializeToString(document.doctype) || "";
        let source = doctype + "\n" + document.documentElement.outerHTML;

        source = source.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");

        const sourceWindow = window.open("");
        sourceWindow.document.write(`
            <html>
            <head>
                <title>Source: ${window.location.href}</title>
                <style>
                    body { margin: 0; background: #1e1e1e; color: #d4d4d4; font-family: 'Consolas', 'Monaco', monospace; }
                    pre { padding: 20px; line-height: 1.5; white-space: pre-wrap; word-wrap: break-word; }
                </style>
            </head>
            <body>
                <pre><code>${source}</code></pre>
            </body>
            </html>
        `);
        sourceWindow.document.close();
    });

    GM_registerMenuCommand("🎁 Donate now", function () {
        if(confirm("Hello, I'm JAS1998!\n\nI develop this script as a hobby. If you find it useful, I would be very happy about a small donation.\n\nOpen PayPal now?")) {
            window.open("https://www.paypal.com/donate?hosted_button_id=9JEGCDFJJHWU8", "_blank");
        }
    });

})();