Bulk FLAC to OPUS Converter Online — Free HD Quality
Drag and drop your multiple FLAC files into this 100% free online FLAC to OPUS converter (.flac to .opus), and click the Convert button to bulk convert them to OPUS format in HD quality. Use the quality slider to fine-tune your OPUS output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original FLAC files are removed from our servers right after. Also see:Easy MID to MP3 converter.
Drop your FLAC files here to convert to OPUS, or click to browse
Converts .flac to OPUS (.opus) in HD quality — bulk, free, no signup
Choose FilesFLAC vs OPUS — File Format Comparison
See how FLAC and OPUS compare across file extension, MIME type, compression, and feature support. Related:Switch WAV to M4R format.
| Feature | FLAC | OPUS |
|---|---|---|
| File Extension | .flac | .opus |
| MIME Type | audio/flac | audio/opus |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
What Is FLAC Format?
Free Lossless Audio Codec — open-source lossless compression that reduces file size by 40–60% versus WAV with zero quality loss, perfect for audiophile archiving. See also:Convert AAC files in bulk to OGG.
- Compression: Lossless
- Tags & Metadata: Supported
What Is OPUS Format?
Opus — the IETF standard for internet voice and music streaming; outperforms MP3, AAC, and Vorbis at every bitrate, and is the default codec for WebRTC, Discord, and Spotify Connect. You might also need:How to batch convert AIFC to OGA?.
- Compression: Lossy
- Tags & Metadata: Supported