MP3 to AAC Converter - For Apple Devices & iTunes

Convert MP3 files to AAC format for iPhone, iPad, iTunes, and Apple Music. Better quality at same file size. Free, private, browser-based.

Select Audio File

Drop MP3 file here or click to browse

Supports MP3 audio files

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Frequently Asked Questions

AAC offers better audio quality than MP3 at the same file size. It's Apple's preferred format for iTunes, Apple Music, iPhone, iPad, and Mac. Converting to AAC can improve sound quality while maintaining or reducing file size.

Converting between lossy formats (MP3 to AAC) involves some quality loss since both formats discard audio data. For best results, use a high quality setting. If you have the original lossless source (CD, FLAC), convert from that instead.

For most music, 256kbps AAC matches or exceeds 320kbps MP3 quality. Choose 'High' (256kbps) for excellent quality, 'Good' (192kbps) for a balance, or 'Smaller' (128kbps) for podcasts and speech where quality matters less.

Yes! AAC is widely supported on Android, Windows, modern car stereos, and most audio players. It's not Apple-exclusive despite being their preferred format. However, some very old devices may only support MP3.

AAC is the audio codec (compression method), while M4A is the file container. M4A files contain AAC audio. Our converter outputs .m4a files with AAC audio, which is the standard format used by iTunes and Apple Music.

Currently, this tool processes one file at a time for optimal browser performance. For batch conversion, process files sequentially. Each conversion maintains your selected quality settings.

ID3 tags and metadata from MP3 files are preserved during conversion. The output AAC file will include the same artist, album, title, and other metadata as the original.

Audio conversion is fast—a typical 4-minute song converts in seconds. Speed depends on your device: modern computers are faster, phones and tablets may take slightly longer.

AAC was designed as the successor to MP3 with more efficient compression algorithms. At the same bitrate, AAC preserves more audio detail, especially in high frequencies. This is why streaming services like Apple Music, YouTube, and many others use AAC.

No. All processing happens entirely in your browser using FFmpeg WebAssembly. Your audio files never leave your device, ensuring complete privacy.

MP3 to AAC Converter - For Apple Devices & iTunes

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About AAC Format

When to Use AAC

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