ffmpeg webm zu MP4
ffmpeg -i "01 - file.webm" -crf 23 "file.mp4"
Horrible Hyena
ffmpeg -i "01 - file.webm" -crf 23 "file.mp4"# lower -crf value = higher quality & larger output
ffmpeg -i input.mp4 -c:v libvpx-vp9 -crf 30 -b:v 0 -b:a 128k -c:a libvorbis output.webm
<a href="https://www.freeconvert.com/webm-to-mp4" target="_blank">WEBM to MP4 Converter</a><a href="https://cloudconvert.com/mp4-to-webm" target="_blank">WEBM to MP4 or MP4 to WEBM Converter</a><a href="https://www.freeconvert.com/checkout" target="_blank">WEBM to MP4 Converter</a>