Especially a lot of music videos are stored as MP4 format. It has been used on YouTube, Internet video streaming, web camera video compression and more. MP4 is on of the most popular video formats on the Internet now.
To convert YouTube to MP4 safely online, you may try the following well-tested websites: 1. However, faced with a wide selection of online video converters, some people may feel that there is no clue. Online services of YouTube to MP4 conversion also help you to achieve the purpose expediently.
iMovie probably has different default settings for MOV and MP4. If all settings are the same, MOV/MP4 output should be nearly identical in size for a particular video. The bitrate of the contents is primarily what determines the size. Watching HD YouTube videos requires a high-speed internet connection.