Core Audio Format (CAF) is Apple's audio container designed to overcome the file size and sample rate limitations of AIFF and WAV.
M4A (MPEG-4 Audio) is Apple's preferred audio format, typically using AAC compression for high-quality audio at small file sizes.
Reach for CAF when your priority is apple audio production, professional editing — 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 CAF and M4A formats in our detailed guide.
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CAF (CAF audio) - Core Audio Format, Apple's professional audio format. Best for apple audio production, professional editing.
M4A (M4A audio) - MPEG-4 Audio, Apple AAC container format. Ideal for apple ecosystem, itunes, podcasting.
Yes, GoConvertFile offers free conversion of CAF to M4A for files up to 100MB. No registration required.
Most CAF 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 CAF 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 CAF files because M4A uses efficient lossy compression. The exact reduction depends on quality settings.