Do to decode base 64 encoding

I want some ways to decode base 64 encoding. I tries some sites but the results is not that impressive. Anyone have some sites that do this job? I am new to php.

 

$string = "Zm9ydW1zLmRpZ2l0YWxwb2ludC5jb20=";
echo base64_decode($string);

PHP:

 

its very easy
use the php function

 

Thanks guys for help. Looking at your answers, I feel like dumb. Its so easy yet so hard if you don't know.