: MP4 files can house not just video and audio, but also subtitles, chapter markers, and still images (JPEG/PNG). 2. The Significance of "500" (File Size and Duration)
Content Type Details - SocialChorus Knowledge Base - Firstup
MP4 (MPEG-4 Part 14) is a universal multimedia container format. It is the industry standard because it balances high-quality visual data with efficient file sizes, making it ideal for streaming and storage.
Video Post Video posts are some of the most engaging content you can publish. Video posts are great for both private video files ( MKV vs MP4: Choosing the Right Streaming Format in 2026