How to: MP4 to Screensaver on a Mac

Mac OS X comes equipped with a number of basic screensaver settings, but one that’s missing is the option to use a movie as a screensaver. Luckily, you can get a free application to enable this functionality. It is MP4-compatible, meaning that you can use any MP4 movie as your screensaver with just a few clicks.

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Apple offers the Movie Screen Saver to turn MP4s into screensavers on its website.

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Download Movie Screen Saver plugin (see Resources).

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Double-click the “Movie Screen Saver” file when it finishes downloading. Follow the steps on screen to install the program. You will need to read and agree to a license agreement and select the hard drive to install on.

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Open Movie Screen Saver from your "Applications" folder.

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Click “Browse” and select your MP4 movie.

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Click “Open.”

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Edit any settings to customize the display. You can have the file play once or on a loop or only play a certain section of the MP4 film.

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Click “Preview” to see how the MP4 screensaver looks. Move your mouse or hit any key to exit the preview.

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Click “Save” when you are done.