To resolve this issue, try VLC media player. MP4 is a container that contains various kinds of data, so when there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. YTMP4 is an online video converter that allows users to convert YouTube videos to MP4, WEBM, and other formats. On some devices, particularly mobile, opening this file type can be problematic. On Windows, it opens in Windows Media Player. There is no need for third-party software. Simply double-clicking the file opens it. Wait a few moments to display the results.

MP4 files open in the operating system's default video player. How to use Youtube to Mp4 Write something or add the youtube address in the search box. Many consider MP4 to be one of the best video formats available today. It is also a popular video format for streaming over the Internet, such as on YouTube. It is compatible with a wide range of devices and operating systems, using a codec to compress file size, resulting in a file that is easy to manage and store. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video. Free Video Converter has a small set of output options (MP4, AVI, MPEG and MP3 are available, plus an option optimized for iOS devices), but that might be plenty if youre not used to working.

Youtube converter mp4 converter