Audio Interchange File Format (AIFF) is Apple's uncompressed audio format, offering CD-quality sound for professional audio production.
iPhone Ringtone (M4R) is Apple's ringtone format based on AAC audio, used for custom ringtones on iPhones.
Reach for AIFF when your priority is professional audio production, music recording — its uncompromising quality ensures every detail is preserved.
Reach for M4R when your priority is iphone ringtones, notification sounds — its efficient compression makes sharing fast and storage minimal.
Learn more about AIFF and M4R formats in our detailed guide.
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.aiff,.AIFF (max 100MB)
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AIFF (AIFF audio) - Audio Interchange File Format, professional uncompressed audio. Best for professional audio production, music recording.
M4R (iPhone M4R) - iPhone Ringtone, AAC-based ringtone format. Ideal for iphone ringtones, notification sounds.
Yes, GoConvertFile offers free conversion of AIFF to M4R for files up to 100MB. No registration required.
Most AIFF to M4R conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
M4R is ideal for iphone ringtones, notification sounds. iPhone Ringtone, AAC-based ringtone format
Yes, converting AIFF to M4R 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.
M4R files are typically 50-80% smaller than AIFF files because M4R uses efficient lossy compression. The exact reduction depends on quality settings.