ffmpeg -i input.mp4 -fs 500M -c copy output_500mb.mp4
: Typically, a 500 MB MP4 file can contain several minutes of 1080p Full HD or even short bursts of 4K UHD content, allowing you to test visual fidelity. Where to Download 500 MB Sample MP4 Videos 500 Mb Sample Video Download Mp4
: Essential for developers building CMS or file-sharing platforms to test how their server handles large multipart uploads. ffmpeg -i input