How to convert video files with FFMPEG
Video files for uploading too big? 4k video files are pain to edit? ffmpeg is a simple tool that can convert your files in anything you want. I show here my most used exapmles.
Convert 4k to 1080p
ffmpeg -i input_file.mp4 -vf scale=1920:1080 -c:a copy output_file.mp4
Convert H.264 to H.265
ffmpeg -i input_file.mp4 -c:v libx265 -vtag hvc1 -c:a copy output_file.mp4
Convert 4k (H.264) to 1080p (H.265)
ffmpeg -i input_file.mp4 -c:v libx265 -vtag hvc1 -vf scale=1920:1080 -crf 20 -c:a copy output_file.mp4