File conversion module for Drupal platform

File conversion module for Drupal platform / Ubercart Our platform: Drupal / Ubercart / Marketplace Platform for buying and selling of digital books. We need: We are seeking a freelance developer, PHP and Drupal specialist to create a module with the following possibilities: - On the page to create a product, users can attach a file to sell. We need, in the upload file, the latter is directly converted into formats epub / pdf, and they will automatically be included in the product as a download, as currently manages Ubercart. The scheme is as follows: 1 / The user uploads the file he wants to sell 2 / The file is converted to PDF and EPUB format 3 / The new files (pdf and epub) are included with the product of how the currently manages Ubercart. Temporary source file sent by the user is deleted. Ask for more details!