There are various types of audio formats in use like MP3, WMA, WAV, AMR, AAC, M4A, FLAC and OGG. Besides listening to audio, we also view images, videos and other files. Some file formats can be played only in some players. For example, in the TV we are using, any video formats like FLV and MKV will not support. In such circumstances, there will be the necessity to convert the file format. So for file conversion, we try freeware tools but without downloading and installing any software tools, go to the cloud service at www.convertfiles.com where you can convert your files from one file type to another totally free online.
At ConvertFiles.com we can convert online the various types of files like audio files, videos, image files, documents, archive files, eBooks, spreadsheets and presentations totally free of cost. We can also convert YouTube to mp3. 
This free online file conversion service nearly supports 335 kinds of file types. First we have to select a file to convert clicking the ‘Browse…’ in the home page. Next we have the select the output file format required after conversion. The converted file will be provided in the form of link file and the link is to be clicked for downloading the file. The file uploaded will disappear after completion of uploading. The converted files will be kept available for 24 hours. Videos for conversion can be selected directly from video sharing sites such as YouTube, Vimeo and MetaCafe. There is also the possibility to extract audio from video files. Convert files supports up to 250 MB memory and to convert video files larger than 250 MB, go to video file conversion website VideoToolbox.com