You have some media, and you are wondering how can I convert media for free to fit the format I need. It may be for
your Ipod, mp3 player, mp4 player. It may be photos, music, video, or documents. There are now an array of online tools that will do the job for free.
Zamzar, (the name is from a character in a German novel) www.zamzar.com supports conversion between a wide variety of different file formats, all done online. No need to download any software. When the conversion is completed, an email is sent to you, providing a link from which the file can be downloaded. The free version carries a 1 GB file limit.
Media-convert http://media-convert.com/ is 100% free with a maximum file size limit of 150 Mb. this is another great free online media converter that is ads-supported. Files can even be converted direct from a web server.
If you are just looking to convert to pdf, PDF Online https://www.pdfonline.com/convert_pdf.asp, might be useful. This site will convert your documents to pdf format for free.
PDF Converter http://www.freepdfconvert.com/ will also convert to pdf. This does a very good job, however, the free service comes with a number of limitations. Monthly membership starts at $9 a month.