Audio Interchange File Format (AIFF) is Apple's uncompressed audio format, offering CD-quality sound for professional audio production.
M4A (MPEG-4 Audio) is Apple's preferred audio format, typically using AAC compression for high-quality audio at small file sizes.
Reach for AIFF when your priority is professional audio production, music recording — its uncompromising quality ensures every detail is preserved.
Reach for M4A when your priority is apple ecosystem, itunes, podcasting — its efficient compression makes sharing fast and storage minimal.
Learn more about AIFF and M4A formats in our detailed guide.
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AIFF (AIFF audio) - Audio Interchange File Format, professional uncompressed audio. Best for professional audio production, music recording.
M4A (M4A audio) - MPEG-4 Audio, Apple AAC container format. Ideal for apple ecosystem, itunes, podcasting.
Yes, GoConvertFile offers free conversion of AIFF to M4A for files up to 100MB. No registration required.
Most AIFF to M4A conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
M4A is ideal for apple ecosystem, itunes, podcasting. MPEG-4 Audio, Apple AAC container format
Yes, converting AIFF to M4A uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
M4A files are typically 50-80% smaller than AIFF files because M4A uses efficient lossy compression. The exact reduction depends on quality settings.