Bulk FLAC to AMR Converter Online — Free HD Quality
Drag and drop your multiple FLAC files into this free online FLAC to AMR converter (.flac to .amr), and click the Convert button to bulk convert them to AMR format in HD quality. Use the quality slider to fine-tune your AMR output, then download your converted files one by one or as a single ZIP — your original FLAC files are removed from our servers right after.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
FLAC vs AMR — File Format Comparison
| Feature | FLAC | AMR |
|---|---|---|
| File Extension | .flac | .amr |
| MIME Type | audio/flac | audio/amr |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | No |
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
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
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