There are so many video formats and Various editing software, but not all editing software support all formats, or it needs a long time to rendering. It seems that there are lots of users having the problem of importing AVCHD MTS/M2TS, MP4, AVI, MOD, TOD, TiVo, or other HD or SD video into Final Cut Pro for editing. As expected, Final Cut Pro can edit a variety of video formats, but the rendering process is rather slow.
If you want to import any video file into Final Cut Pro for use without rendering, the all-in-one Mac video converter – Pavtube Video Converter for Mac will be your best choice. The Mac video conversion software supports Apple ProRes encoding to help you quickly transcode video to ProRes 422 for FCP in a short time without quality loss.
(Note: the Apple ProRes 422 (*.mov) format is a post-production designed for pristine quality, economical hardware configurations and high-performance, multistream Final Cut Pro real-time editing.)
Below is the guide on how to convert any video to ProRes 422 and import QuickTime .mov into Final Cut Pro.