You can also convert videos to audio formats like MP3. The app supports Full HD, 4K, and 8K videos at up to 60 fps. The popular Youtube video downloader and converter, Viddly is a Windows app that can convert any video file on your hard drive to any format including MP4, WebM, 3GP, and AVI. Here today, we will look at some of the top video converters for Android, iOS and Windows to make your choice easier: This is where a good video converter app can help you: convert any video to a format playable on your device. The popular Android platform generally works with formats like MP3, MP4, and 3GP, while many other videos may simply refuse to open. It means not all video formats are compatible with every device. Videos are created in different formats and that creates certain restrictions in terms of compatibility with devices.