Most social platforms (Instagram, TikTok) prefer MP4 over MKV. You can "remux" the file, which changes the container without losing any quality:
Here are the best ways to turn that file into usable content: 1. Edit the File Directly AgADgwAD6URQVA.mkv
: A free tool to split, trim, and add music to MKV files. Most social platforms (Instagram, TikTok) prefer MP4 over