Guest post by Srikanth . The following file conversion sites allows you to convert files of the most common and frequently used file formats. They support almost all kinds of file formats with regard to audio, video, document and image. Multiple File Format Conversion 1) Zamzar.com – Performs online file conversion in a fast and easy manner. No need of registration and it sends the converted files right to your email inbox. 2) Media-Convert – This website includes o