https://xcodecpack.com/opus-encoder/
X Opus Encoder - Free Opus Audio Converter for Windows 10 and 11 | xcodecpack.com
Download X Opus Encoder free - a Windows GUI for batch-encoding audio to Opus. Convert MP3, FLAC, WAV, M4A, AAC, OGG and 20+ formats. VBR/CVBR/CBR, EBU R128...
x opus encoderfree audio converter