Downloadable software for validating, modifying, and optimizing electronic files in a portable document format; Downloadable mobile applications for validating, modifying, and optimizing electronic files in a portable document format

Providing a website featuring non-downloadable software for validating, modifying, and optimizing electronic files in a portable document format; Providing temporary use of a non-downloadable web application for validating, modifying, and optimizing electronic files in a portable document format; Software as a service (SAAS) services, namely, hosting software for use by others for validating, modifying, and optimizing electronic files in a portable document format