<BR> <CENTER> <form method="POST"> Decode base64 :<br><input type="Text" name="decode"><br> <input type="Submit" value="Enter"> </form> <form method="POST"> Encode base64 :<br><input type="Text" name="encode"><br> <input type="Submit" value="Enter"> <form method="POST"> MD5 Encode :<br><input type="Text" name="md5"><br> <input type="Submit" value="Enter"> </form> <form method="POST"> HEX :<br><input type="Text" name="hex"><br> <input type="Submit" value="Enter"> </form> </CENTER> <?php $a=$_POST['decode']; if(isset($a)) echo base64_decode($a); $b=$_POST['encode']; if(isset($b)) echo base64_encode($b); $c=$_POST['md5']; if(isset($c)) echo md5($c); $d=$_POST['hex']; if(isset($d)) echo('0x'.bin2hex(stripslashes($d))); ?>