
Then QuickTime Player should support your video now. If you encounter the same problem, open the project in iMovie, click the Share icon and select File, choose Best from the Quality option and save the project. The major reason that QuickTime cannot play video file from iMovie is the compatibility issue. Why MP4 video exported from iMovie 10 won't play in QuickTime? However, if you want to edit your project, you will need a more powerful tool. Note: The web app allows you to customize resolution, codec, and other options by hitting the Gear icon. Here you can decide to download them or share the MP4 files to your social media account directly. Wait for the process to finish and you will be presented the converting history with all MP4 files. Click on the Convert button to start converting iMovie to MP4. Locate the bottom area and select MP4 from the format collection. How to Convert iMovie Projects to MP4 Online * No signup, watermark, video length or other limit.* Protect video and audio quality as much as possible.


Click the blank area in the main interface to close the format dialog.
