WP Upload Restriction

This plugin allows you to restrict your site users from uploading files of certain types and control the maximum file upload size. Administrator can select the file types and file upload limit by user role. This plugin restricts users from uploading unwanted files using the WordPress media uploader.

It is very simple to use. You will be able give permissions role wise. To restore WordPress's default selection, just deactivate the plugin.

Any issue? Please let me know (http://sajjadhossain.com/contact-me/).