CapCut is a free video-editing app developed by Bytedance Inc. that is designed to be used on mobile devices. It's primarily used to create short videos that can be shared across social media platforms. The app supports a wide range of video formats, including the popular file types of MP4, MOV, and M4V. It also supports GIFs, which can be created by exporting video clips and then saving them in the GIF format. Additionally, users can directly save as a CapCut file, which has the extension ‘.cut’. CapCut files are not able to individual frames of the clip can be exported and edited, allowing for more detailed editing.