
It’s possible to upload MP4 files directly into the YouTube editor. MP4s are used by many mobile devices such as Apple iPhones and iPads, which means it’s important to use an MP4 video file if you want your video to play on these devices. MP4 and AVI files are very similar to each other in terms of how they are used by YouTube. AVI is also a container format but is used more often for videos.


MP4 is a container format that can contain multiple tracks of audio, video and subtitles. It’s been built to support as many format combinations as possible, so it works even if your video isn’t listed below.

HandBrake is a free open source tool that converts videos from one format (like MP4) into another (like VP9).
