For those comfortable with a bit of code, is the most reliable way to "force" a fix without re-encoding the whole video. Run this command: ffmpeg -i jufe569.mp4 -c copy fixed_video.mp4 This simply copies the data into a new, healthy container. 4. Browser-Based Repair (The No-Install Option)
A modern alternative that handles high-bitrate MP4s more efficiently than native apps. 2. Check for File Truncation jufe569mp4 fixed