using ffmpeg to edit photos or videos. Version i am using: ffmpeg version 2022-10-20-git-eb9153b4a7-full_build-www.gyan.dev Download from official source: https://ffmpeg.org/download.html#releases
The Downsizers are particularly useful for converting very high quality large size files to something a lot more managable. Obviously, the higher the number you enter, the lower the quality of the output. But great results can be found through trial and error. Turning my 7GB DVD Backup into a 2GB one without any visible loss of quality.