Do you have videos saved as MKV files? Even though the MKV file format allows for smaller files, most devices cannot read these files. If you want to watch videos on a TV, a video game system, a Smartphone or a tablet, you will have to convert your videos into AVI files.You should look for a good MKV to AVI converter. You can find free converter that support these file formats but you should check reviews from users to select a quality converter that will preserve the quality of your video files while you convert them into AVI files.