Bulk AIFC to AMR Converter Online — Free HD Quality
Drag and drop your multiple AIFC files into this free online AIFC to AMR converter (.aifc 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 AIFC 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
AIFC vs AMR — File Format Comparison
| Feature | AIFC | AMR |
|---|---|---|
| File Extension | .aifc | .amr |
| MIME Type | audio/x-aifc | audio/amr |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | No |
What Is AIFC Format?
Compressed AIFF — an extension of AIFF that supports compressed audio codecs (SOWT, ulaw, alaw, MAC3) inside the AIFF container, used in legacy Apple and SGI audio workflows.
- Compression: Lossy
- 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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