Batch converting files to monochrome
Okay I just did with a ffmpeg batch
In PowerShell:
ls | Where { $_.Extension -eq &quot;.webm&quot; } | ForEach { ffmpeg -i &quot;$i&quot; -vf &quot;hue=s=0&quot; -crf 20 -codec:a libvorbis -c:v libvpx -b:v 500k &quot;${name}.webm&quot; }