AAX files are built around lossy compression. Designed for audible audiobooks, digital spoken word, they use the audio/x-aax MIME type and typically range from varies by content.
Audio Interchange File Format (AIFF) is Apple's uncompressed audio format, offering CD-quality sound for professional audio production.
Reach for AAX when your priority is audible audiobooks, digital spoken word — its efficient compression makes sharing fast and storage minimal.
Reach for AIFF when your priority is professional audio production, music recording — its uncompromising quality ensures every detail is preserved.
Learn more about AAX and AIFF formats in our detailed guide.
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.aax,.AAX (max 100MB)
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AAX (AAX) - Audible Audiobook, encrypted AAC audiobook format. Best for audible audiobooks, digital spoken word.
AIFF (AIFF audio) - Audio Interchange File Format, professional uncompressed audio. Ideal for professional audio production, music recording.
Yes, GoConvertFile offers free conversion of AAX to AIFF for files up to 100MB. No registration required.
Most AAX to AIFF conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
AIFF is ideal for professional audio production, music recording. Audio Interchange File Format, professional uncompressed audio
No, converting AAX to AIFF does not cause additional quality loss — AIFF uses lossless compression. However, any artifacts already present in the original AAX file will persist in the AIFF output.
AIFF files are typically 2-5x larger than equivalent AAX files because AIFF preserves all pixel data. This is expected and necessary for lossless quality.