Convert audio to any format
Drag & drop audio file here
Supports MP3, WAV, FLAC, AAC, OGG and more
Drag & drop your MP3 audio file
Automatic conversion with optimal quality
Save your converted M4A file
M4A (AAC in MP4 container) is the Apple ecosystem standard. Convert MP3 to M4A for better quality on Apple Music, iTunes, and iOS devices.
MP3 is the most universally recognized audio format, offering good compression with acceptable quality. Supported by virtually every device and application.
M4A is an audio-only MPEG-4 container, typically containing AAC or ALAC audio. It's the default format for Apple Music downloads and iTunes purchases.
MP3 is universal. M4A offers better quality at the same bitrate with Apple ecosystem optimization.
Common scenarios for this conversion
Convert MP3 music to M4A for universal player compatibility.
Switch podcast episodes from MP3 to M4A for smaller file sizes.
Ensure M4A audio plays on any smartphone or tablet without issues.
Use M4A for web audio that loads fast and plays everywhere.
Your audio files stay on your device. Browser-based conversion.
Powered by WebAssembly for instant conversion.
Convert between any audio format combination.