Bulk M4A to FLAC Converter Online — Free HD Quality
Drag and drop your multiple M4A files into this 100% free online M4A to FLAC converter (.m4a to .flac), and click the Convert button to bulk convert them to FLAC format in HD quality. Use the quality slider to fine-tune your FLAC output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original M4A files are removed from our servers right after. Also see:Online WAVE to MP3 converter tool.
Drop your M4A files here to convert to FLAC, or click to browse
Converts .m4a to FLAC (.flac) in HD quality — bulk, free, no signup
Choose FilesM4A vs FLAC — File Format Comparison
See how M4A and FLAC compare across file extension, MIME type, compression, and feature support. Related:MP3 to WMA converter.
| Feature | M4A | FLAC |
|---|---|---|
| File Extension | .m4a | .flac |
| MIME Type | audio/mp4 | audio/flac |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is M4A Format?
MPEG-4 Audio — AAC audio in an MP4 container, the standard format for Apple Music, iTunes purchases, and iPhone voice memos, offering better quality than MP3 at equivalent bitrates. See also:Make AIF files into WAV.
- Compression: Lossy
- Tags & Metadata: Supported
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. You might also need:Transform AC3 to WMA.
- Compression: Lossless
- Tags & Metadata: Supported