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Bulk M4A to AIFC Converter Online — Free HD Quality

Drag and drop your multiple M4A files into this free online M4A to AIFC converter (.m4a to .aifc), and click the Convert button to bulk convert them to AIFC format in HD quality. Use the quality slider to fine-tune your AIFC output, then download your converted files one by one or as a single ZIP — your original M4A files are removed from our servers right after.

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Max 100MB per file

M4A vs AIFC — File Format Comparison

Feature M4A AIFC
File Extension .m4a .aifc
MIME Type audio/mp4 audio/x-aifc
Compression Type Lossy Lossy
Metadata Support Yes Yes

What Is M4A Format?

MPEG-4 Audio — AAC audio in an MP4 container, the standard format for Apple Music, iTunes purchases, and iPhone voice memos, offering better quality than MP3 at equivalent bitrates.

  • Compression: Lossy
  • Tags & Metadata: Supported

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

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