.YMMP File Extension

Yukkuri Movie Maker Project

Developer Manju Tsukai
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What is a YMMP file?

A YMMP file is a project created by Yukkuri Movie Maker, a Japanese video-editing application for Windows. It stores project information in the JSON standard, including the timeline, video and audio clips, text, images, voice lines, and their positions and settings. YMMP files reference external media files used in the project rather than embedding the original video, audio, and image data.

More Information

Screenshot of a .ymmp file in Yukkuri Movie Maker 4.56
YMMP file open in Yukkuri Movie Maker 4.56

Creators use Yukkuri Movie Maker to produce narrated videos, commentary, and other online content. It supports voice synthesis and on-screen subtitles, including styles associated with Yukkuri commentary videos.

Creators use YMMP files to save their editing arrangements and make changes before exporting the finished video. The files describe the timeline and the properties of individual items, such as clip duration, playback speed, volume, text appearance, and visual effects.

How to open a YMMP file

You can open YMMP files with Yukkuri Movie Maker, which is available for Windows. To open a YMMP file, select File → Open project. Keep the project's referenced media files available, since moving or renaming them may prevent the application from finding them.

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Programs that open YMMP files

Windows

Verified by FileInfo.com

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