Handling many formats can make you lose your hairs faster. Most software can only handle several formats and you may have to purchase another software to convert another type of files. But fortunately there is a new and better way to convert files without having to install any software. All you need is a web browser and internet connection.
Http://online-convert.com offers a free service to convert videos, audio, archive and documents from one format to another. It supports many file formats such as DOCX, RAR, XLSX, MP4, MP3 and many more.
Simply open the website and select what to convert and domt forget to select the target format. You will be asked either to upload your files or you can also use the files on other web service. You only need to give the link to the file. Its awesome.