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Bulk AMR to AIF Converter Online — Free HD Quality

Drag and drop your multiple AMR files into this free online AMR to AIF converter (.amr to .aif), and click the Convert button to bulk convert them to AIF format in HD quality. Use the quality slider to fine-tune your AIF 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.

To:
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Max 100MB per file

AMR vs AIF — File Format Comparison

Feature AMR AIF
File Extension .amr .aif
MIME Type audio/amr audio/aiff
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 AIF Format?

Audio Interchange File Format (short extension) — the .aif variant of AIFF used by older Apple software and some DAWs; functionally identical to .aiff with the same uncompressed PCM quality.

  • Compression: Lossless
  • Tags & Metadata: Supported