Try the SetaPDF-Encryptor API for PHP. It allows the developer to assign rights (such as print/modify/copy etc.) and associate these rights with userpassword and ownerpassword. More here: http://www.setasign.de/products/pdf-php-solutions/setapdf-encryptor/encrypt-protect-pdf-files-with-php.html ---------------------------------------------- L.M. Arun Twitter.com/437341 ----------------------------------------------