FLAC
Opus files
FLAC (Free Lossless Audio Codec) is a lossless audio compression format known for preserving the original audio quality. It is popular among audiophiles and music enthusiasts.
Opus is an open, royalty-free audio codec that provides high-quality compression for both speech and general audio. It is suitable for various applications, including voice over IP (VoIP) and streaming.
More Opus conversion tools available