Bulk ALAC to AMR Converter Online — Free HD Quality
Drag and drop your multiple ALAC files into this free online ALAC to AMR converter (.alac 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 ALAC 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
ALAC vs AMR — File Format Comparison
| Feature | ALAC | AMR |
|---|---|---|
| File Extension | .alac | .amr |
| MIME Type | audio/mp4 | audio/amr |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | No |
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
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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