Convert AIFF to M4A

Convert AIFF files to M4A format online for free. No upload required, 100% private.

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AIFFM4ASize Reduction

Converting from AIFF (Uncompressed) to M4A (lossy) will significantly reduce file size. Some audio quality will be lost, but the difference is often imperceptible at higher bitrates.

About AIFF

AIFF

Audio Interchange File Format

AIFF is an uncompressed audio format developed by Apple, similar to WAV. It is commonly used in professional audio on Mac systems.

Extension
.aiff
Developed By
Apple Inc.
Released
1988
Compression
Uncompressed

Typical Use Cases

Mac audio productionProfessional editingCD masteringSound design

Pros

  • • Lossless quality
  • • Good Mac support
  • • Professional standard

Cons

  • • Large file size
  • • Less Windows support
  • • Not suitable for streaming

About M4A

M4A

MPEG-4 Part 14 Audio

M4A is an audio-only MPEG-4 container format, commonly used by Apple devices and iTunes. It typically contains AAC or ALAC encoded audio.

Extension
.m4a
Developed By
Apple Inc.
Released
2001
Compression
Lossy

Typical Use Cases

iTunes musicApple devicesAudiobooksPodcasts

Pros

  • • Better quality than MP3 at same bitrate
  • • Good Apple ecosystem support
  • • Supports chapters

Cons

  • • Less universal than MP3
  • • Some older devices incompatible
  • • Requires specific codecs