iPhone Ringtone (M4R) is Apple's ringtone format based on AAC audio, used for custom ringtones on iPhones.
Protracker Module (MOD) is a tracker music format originating from the Amiga demoscene, containing both note patterns and instrument samples.
Reach for M4R when your priority is iphone ringtones, notification sounds — its efficient compression makes sharing fast and storage minimal.
Reach for MOD when your priority is chiptune music, demoscene, retro game audio — its uncompromising quality ensures every detail is preserved.
Learn more about M4R and MOD formats in our detailed guide.
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M4R (iPhone M4R) - iPhone Ringtone, AAC-based ringtone format. Best for iphone ringtones, notification sounds.
MOD (MOD music) - Protracker Module, tracker music format for demoscene and games. Ideal for chiptune music, demoscene, retro game audio.
Yes, GoConvertFile offers free conversion of M4R to MOD for files up to 100MB. No registration required.
Most M4R to MOD conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
MOD is ideal for chiptune music, demoscene, retro game audio. Protracker Module, tracker music format for demoscene and games
No, converting M4R to MOD does not cause additional quality loss — MOD uses lossless compression. However, any artifacts already present in the original M4R file will persist in the MOD output.
MOD files are typically 2-5x larger than equivalent M4R files because MOD preserves all pixel data. This is expected and necessary for lossless quality.