To use, enter your code in either format:
%3Cmeta%20charset%3D%22%3C%3Fphp%20bloginfo%28%27charset%27%29%3B%20%3F%3E%22%3E
<
meta charset="<
?php bloginfo('charset'); ?>">
Then select “Decode” or “Encode” from the dropdown, and click “Submit”.