Bookmarklet to extract media URLs from webpages. http://gh.t-f.pw/mediaExtractor/ (jQuery insertion code from http://benalman.com/projects/run-jquery-code-bookmarklet/)

mediaExtractor.js

(function(e,a,g,h,f,c,b,d){if(!(f=e.jQuery)||g>f.fn.jquery||h(f)){c=a.createElement("script");c.type="text/javascript";c.src="https://ajax.googleapis.com/ajax/libs/jquery/"+g+"/jquery.min.js";c.onload=c.onreadystatechange=function(){if(!b&&(!(d=this.readyState)||d=="loaded"||d=="complete")){h((f=e.jQuery).noConflict(1),b=1);f(c).remove()}};a.documentElement.childNodes[0].appendChild(c)}})(window,document,"1.3.2",function($,L){

	var ul = $('<ul></ul>');

	var urls = $('video,audio')
		.map(function() {
			return $(this).attr('src');});

	if (urls.length) {
		urls.each(function() {
			var li = $('<li style="' +
				"list-style: disc outside none !important; " +
				"word-break: break-all !important; " +
				'"></li>');
			li.append('<a href="' + this + '">' + this + '</a>');
			ul.append(li);})
	} else {
		ul = $('<strong>No media found</strong>');
	}

	var d = $('<div id="mediaExtractor" style="' +
		"background: rgba(255,255,200,0.9) !important; " +
		"color: black !important; " +
		"font-family: Helvetica,Arial,sans-serif !important; " +
		"font-size: 13px !important; " +
		"position: fixed !important; " +
		"top: 0 !important; " +
		"left: 0 !important; " +
		"margin: 1% !important; " +
		"padding: 1.5em !important; " +
		"border-radius: 6px !important; " +
		"z-index: 2147483647 !important; " +
		"max-width: 98% !important; " +
		'"></div>');

	var c = $('<div style="' + 
		"position: fixed !important; " +
		"margin: 1% !important; " +
		"top: 0 !important; " +
		"left: .2em !important; " +
		"font-size: 18px !important; " +
		'"></div>');

	c.append($('<a href="#" style="' +
		'">&times;</a>')
		.click(function(){d.remove();}));

	d.append(c);
	d.append(ul);
	$('body').append(d);
})