How to convert .webm videos to .mp3 audio format.
Typically, you shouldn't have any difficulties converting WebM Videos directly to MP3 Audio Files (.webm to .mp3 conversion). Such attempts relate to users seeking ways to extract the audio track (MP3) from a WEBM video.
Numerous video editing programs and conversion tools, such as MediaCoder or Freemake Studio Converter, will allow you to import WEBM videos and export their extracted audio track in MP3 format.