Bulk AIFF to AMR Converter Online — Free HD Quality
Drag and drop your multiple AIFF files into this free online AIFF to AMR converter (.aiff 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 AIFF 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
AIFF vs AMR — File Format Comparison
| Feature | AIFF | AMR |
|---|---|---|
| File Extension | .aiff | .amr |
| MIME Type | audio/aiff | audio/amr |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | No |
What Is AIFF Format?
Audio Interchange File Format — Apple's uncompressed audio standard functionally equivalent to WAV but preferred in professional Apple audio workflows and GarageBand projects.
- 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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