diff --git a/http2pic.class.php b/http2pic.class.php
new file mode 100644
index 0000000..35419a8
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+++ b/http2pic.class.php
@@ -0,0 +1,258 @@
+<?php
+/**
+ * http2pic by Christian Haschek (https://haschek.solutions)
+ *
+ * For more info and up2date version of this file visit https://github.com/chrisiaut/http2pic
+ * -------------
+ *
+ * @category   Website rendering API
+ * @author     Christian Haschek <christian@haschek.at>
+ * @copyright  2015 by HASCHEK SOLUTIONS
+ * @link       https://http2pic.haschek.at
+ */
+
+
+//
+// Stuff you can edit
+//
+
+define(MAXTIMEOUT,30);
+define(ONFAILIMAGE,'https://http2pic.haschek.at/img/failed.jpg');
+
+//rendering engine: wkhtmltoimage or phantomjs
+define(RENDERINGENGINE,'wkhtmltoimage');
+
+//location of wkhtmltoimage
+define(WKHTMLTOIMAGEPATH,'/usr/sbin/wkhtmltoimage');
+
+//location of phantomJS
+define(PHANTOMJSPATH,'/usr/sbin/phantomjs');
+
+//where shoud we store cached images
+define(CACHEDIR,__DIR__.'/cache/');
+
+
+
+
+//
+// Only edit from here if you know what you are doing
+//
+class http2pic
+{
+	private $params = array();
+	function __construct($params)
+	{
+		//try to create the cache folder if not exists
+		if (!is_dir(CACHEDIR)) {
+			mkdir(CACHEDIR);
+		}
+		
+		$this->params = $params;
+		return $this->paramsPrepare();
+	}
+	
+	/**
+	* Prepare and validate params
+	**/
+	function paramsPrepare()
+	{
+		//validate file type of rendered image
+		switch($this->params['type'])
+		{
+			case 'png': $this->params['type'] = 'png'; break;
+			default: $this->params['type'] = 'jpg';
+		}
+		
+		//validate timeout
+		if (!$this->params['timeout'] || !is_numeric($this->params['timeout']) || ($this->params['timeout'] > MAXTIMEOUT || $this->params['timeout'] < 1))
+			$this->params['timeout'] = 10;
+			
+		//validate viewport
+		if ($this->params['viewport'])
+		{
+			$a = explode('x', $this->params['viewport']);
+			$w = $a[0];
+			$h = $a[1];
+			if (is_numeric($w))
+				$this->params['vp_w'] = $w;
+			if (is_numeric($h))
+				$this->params['vp_h'] = $h;
+		}
+		
+		//validate resize width
+		if($this->params['resizewidth'])
+		{
+			if(!is_numeric($this->params['resizewidth']) || $this->params['resizewidth']<1 || $this->params['resizewidth']>8000)
+				unset($this->params['resizewidth']);
+		}
+		
+		if(!$this->params['onfail'])
+			$this->params['onfail'] = ONFAILIMAGE;
+		else
+			$this->params['onfail'] = rawurldecode($this->params['onfail']);
+			
+	
+		//validate URL and check if exists
+		if ($this->isBase64($this->params['url']))
+			$this->params['url'] = base64_decode($url);
+		else
+			$this->params['url'] = rawurldecode($_GET['url']);
+		
+			//if the url is not valid or not responding, show onfail image and leave
+		if(!$this->isURLValid($this->params['url']) || !$this->isURLReachable($this->params['url']))
+		{
+			header('Content-Type: image/jpeg');
+			$result = imagecreatefromjpeg($this->params['onfail']);
+			imagejpeg($result, NULL, 100);
+			return false;
+		}
+		
+		
+		
+		//prepare file name
+		$this->params['cache'] = $this->trimToAlphaNumeric($this->params['cache']);
+		$hash = $this->params['cache'].'-'.preg_replace("/[^A-Za-z0-9 ]/", '', $this->params['url']).'.'.$this->params['type'];
+		if (!$this->params['cache'])
+			$hash = md5(time().rand(1,2000)).$hash;
+		$this->params['file'] = CACHEDIR.$hash;
+		
+		$this->render();
+		
+		return true;
+	}
+	
+	function render()
+	{
+		if(RENDERINGENGINE=='wkhtmltoimage')
+			return $this->renderPageWKHTMLTOIMAGE();
+		else
+			throw new Exception('Not implemented yet');
+	}
+	
+	/**
+	* Render using WKHTMLToImage
+	**/
+	function renderPageWKHTMLTOIMAGE()
+	{
+		//escapeshellarg
+		
+		//timeout
+		$cmd = 'timeout '.$this->params['timeout'].' '.WKHTMLTOIMAGEPATH;
+		
+		//viewport vp_w und vp_h
+		if($this->params['vp_w'])
+			$cmd.=' --width '.$this->params['vp_w'];
+		if($this->params['vp_h'])
+			$cmd.=' --height '.$this->params['vp_h'];
+			
+		//js or no js
+		if($this->params['js']=='no')
+			$cmd.=' -n';
+			
+		//png or jpg (default)
+		if($this->params['type']=='png')
+			$cmd.=' -f png';
+		
+		//add url to cmd
+		$cmd.=' '.escapeshellarg($this->params['url']);
+		
+		//add storage path to cmd
+		$cmd.=' '.escapeshellarg($this->params['file']);
+			
+		
+		
+		
+		//.$this->params['vp'].$this->params['jsp'].'-f '.$this->params['fileType'].' '.$this->params['url'].' '.$this->params['file'];
+		
+		$cmd = escapeshellcmd($cmd);
+		shell_exec($cmd);
+		$this->params['cmd'] = $cmd;
+		
+		$this->postRender();
+		return $cmd;
+	}
+	
+	
+	/**
+	* Called after a render took place.
+	* This method will print the image to the user, then
+	* resizes or deletes it
+	*/
+	function postRender()
+	{
+		// resize if necessary
+		if($this->params['resizewidth'])
+			$this->resizeImage($this->params['file']);
+		
+		
+		//print image to user
+		if ($this->params['type'] === 'png') {
+			
+			header('Content-Type: image/png');
+			$result = imagecreatefrompng($this->params['file']);
+			imagepng($result, NULL, 9);
+		}
+		else {
+			header('Content-Type: image/jpeg');
+			$result = imagecreatefromjpeg($this->params['file']);
+			imagejpeg($result, NULL, 100);
+		}
+		
+		
+		//if no cache  value specified: delete the image
+		if(!$this->params['cache']) unlink($this->params['file']);
+	}
+	
+	function resizeImage($file)
+	{
+		list($width_orig, $height_orig) = getimagesize($file);
+
+		if ($width_orig != $this->params['resizewidth'])
+		{
+			$ratio_orig = $width_orig/$height_orig;
+			$height = $this->params['resizewidth']/$ratio_orig;
+	
+			// resample
+			$image_p = imagecreatetruecolor($this->params['resizewidth'], $height);
+			$image = imagecreatefromjpeg($file);
+			imagecopyresampled($image_p, $image, 0, 0, 0, 0, $this->params['resizewidth'], $height, $width_orig, $height_orig);
+			imagejpeg($image_p, $file, 100);
+		}
+	}
+	
+	function isURLValid($url)
+	{
+		return filter_var($url, FILTER_VALIDATE_URL);
+	}
+	
+	/**
+	* https://stackoverflow.com/questions/7684771/how-check-if-file-exists-from-the-url
+	*/
+	function isURLReachable($url)
+	{
+		$ch = curl_init($url);    
+		curl_setopt($ch, CURLOPT_NOBODY, true);
+		curl_exec($ch);
+		$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+	
+		if($code == 200)
+			$status = true;
+		else
+			$status = false;
+			
+		curl_close($ch);
+		return $status;
+	}
+	
+	function trimToAlphaNumeric($string)
+	{
+		return preg_replace("/[^A-Za-z0-9 ]/", '', $string);
+	}
+	
+	function isBase64($data)
+	{
+		if (base64_encode(base64_decode($data, true)) === $data)
+			return true;
+		return false;
+	}
+}
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