Bulk AMR to FLAC Converter Online — Free HD Quality
Drag and drop your multiple AMR files into this 100% free online AMR to FLAC converter (.amr 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 AMR files are removed from our servers right after. Also see:Bulk convert PCM to WAV.
Drop your AMR files here to convert to FLAC, or click to browse
Converts .amr to FLAC (.flac) in HD quality — bulk, free, no signup
Choose FilesAMR vs FLAC — File Format Comparison
See how AMR and FLAC compare across file extension, MIME type, compression, and feature support. Related:Quick AMR to M4B online converter.
| Feature | AMR | FLAC |
|---|---|---|
| File Extension | .amr | .flac |
| MIME Type | audio/amr | audio/flac |
| Compression Type | Lossy | Lossless |
| Metadata Support | No | Yes |
What Is AMR Format?
Adaptive Multi-Rate — the standard voice codec for GSM and UMTS mobile networks, used in phone call recordings and voice messages; delivers compact files optimised for speech at 8 kHz.
- Compression: Lossy
- Tags & Metadata: Not 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.
- Compression: Lossless
- Tags & Metadata: Supported