Free AAC to M4R Converter

AAC to M4R Converter

Free & Fast - Convert Advanced Audio Coding (AAC) files to iPhone Ringtone (M4R) format for perfect quality custom iPhone ringtones and notification sounds

AAC to M4R Converter

Drop AAC files here or click to browse

Convert your AAC files to M4R format quickly and securely

Supported formats: .aac

Maximum file size: 100MB | Maximum files: 1

Advanced Audio Coding (AAC)

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.

iPhone Ringtone (M4R)

M4R is Apple's ringtone format based on AAC audio compression, specifically designed for iPhone ringtones and notification sounds with optimal quality and compatibility.

Why Convert AAC to M4R?

Perfect Quality Match

Since M4R uses AAC compression internally, converting from AAC to M4R maintains identical audio quality with zero generational loss, ensuring pristine ringtone sound.

Seamless iPhone Integration

M4R files are instantly recognized by iPhone and iTunes, providing effortless custom ringtone installation without requiring additional software or complex procedures.

Optimized File Structure

M4R format provides proper container structure for iPhone ringtones while preserving AAC audio quality, ensuring optimal performance and battery efficiency.

Native Apple Ecosystem

Converting AAC to M4R maintains full compatibility within Apple's ecosystem, ensuring your custom ringtones work perfectly across iPhone, iPad, and iTunes.

How It Works

1. Upload AAC File

Select your AAC file by clicking or dragging it into the converter area.

2. Choose Settings

Select M4R as output format and adjust duration settings if needed.

3. Download M4R

Download your converted M4R file instantly after processing completes.

Frequently Asked Questions

Is this AAC to M4R converter completely free?

Yes, our AAC to M4R converter is completely free with no hidden costs, registration requirements, or watermarks on your converted files.

What's the quality difference between AAC and M4R formats?

M4R is essentially AAC audio in an iPhone ringtone container. Converting to M4R maintains identical audio quality while creating files optimized for iPhone ringtones.

What are the best settings for AAC to M4R conversion?

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.

Is my AAC file secure during conversion?

Absolutely. All files are processed securely with end-to-end encryption, automatically deleted after conversion, and never stored on our servers permanently.