Convert your AAC files to M4R format quickly and securely
Supported formats: .aac
Maximum file size: 100MB | Maximum files: 1
AAC is the successor to MP3, offering superior compression efficiency and better sound quality at similar bitrates, widely used in Apple devices and streaming services.
M4R is Apple's ringtone format based on AAC audio compression, specifically designed for iPhone ringtones and notification sounds with optimal quality and compatibility.
Since M4R uses AAC compression internally, converting from AAC to M4R maintains identical audio quality with zero generational loss, ensuring pristine ringtone sound.
M4R files are instantly recognized by iPhone and iTunes, providing effortless custom ringtone installation without requiring additional software or complex procedures.
M4R format provides proper container structure for iPhone ringtones while preserving AAC audio quality, ensuring optimal performance and battery efficiency.
Converting AAC to M4R maintains full compatibility within Apple's ecosystem, ensuring your custom ringtones work perfectly across iPhone, iPad, and iTunes.
Select your AAC file by clicking or dragging it into the converter area.
Select M4R as output format and adjust duration settings if needed.
Download your converted M4R file instantly after processing completes.
Yes, our AAC to M4R converter is completely free with no hidden costs, registration requirements, or watermarks on your converted files.
M4R is essentially AAC audio in an iPhone ringtone container. Converting to M4R maintains identical audio quality while creating files optimized for iPhone ringtones.
For optimal results, use high-quality M4R encoding and ensure your audio is under 40 seconds for ringtones. M4R excels at iPhone integration with preserved AAC quality.
Absolutely. All files are processed securely with end-to-end encryption, automatically deleted after conversion, and never stored on our servers permanently.