Zamzar is a free online file conversion service that lets you convert files to 41 different file formats. Its a Free service.
Zamzar can convert the following formats..
Document formats ( coverts 14 formats)
Image formats (converts 5 formats)
video formats (converts 11 formats)
music formats(converts 11 formats)
Converting a file in Zamzar takes only 4 steps..
1. Select your file (At present, Zamzar only supports files less than 100 MB).
2. From a list, choose the format you want to convert to .
3. Enter the email address where you want to receive the converted file.
4. Click Convert button.
Once converted, you will get a link to the converted file by email. Use this link to download the file within 24 hours, else it will be deleted from the server.
CLICK HERE to see list of all the formats which can be converted to other formats.