Bulk AMR to ALAC Converter Online — Free HD Quality
Drag and drop your multiple AMR files into this free online AMR to ALAC converter (.amr to .alac), and click the Convert button to bulk convert them to ALAC format in HD quality. Use the quality slider to fine-tune your ALAC output, then download your converted files one by one or as a single ZIP — your original AMR 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
AMR vs ALAC — File Format Comparison
| Feature | AMR | ALAC |
|---|---|---|
| File Extension | .amr | .alac |
| MIME Type | audio/amr | audio/mp4 |
| 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 ALAC Format?
Apple Lossless Audio Codec — Apple's open-source lossless compression stored in an MP4 container, offering bit-perfect quality with 40–60% smaller files than AIFF; the native lossless format for Apple Music and iTunes.
- Compression: Lossless
- Tags & Metadata: Supported
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