Filemagic is built on a robust framework that optimizes the handling of large files, particularly beneficial when working with MP4 videos, which can be large and require considerable system resources. This enhancement means users will not encounter lags, even with comprehensive video libraries. https://www.filemagic.com/en/video-files/mp4-file-extension/how-to-open-a-file-with-the-mp4-file-extension/