M4A ↔ MP3 Converter
Convert M4A audio files to MP3 or MP3 files to M4A with our free online bidirectional converter. High quality output, customizable bitrate, and instant conversion.
Conversion Settings
Drag & drop M4A files here, or click to browse
Supports M4A files up to 100MB each
M4A to MP3 & MP3 to M4A Conversion
M4A → MP3
Convert M4A (Apple Audio) files to MP3 format for universal compatibility. Perfect for playing on any device, car stereos, and older music players.
MP3 → M4A
Convert MP3 files to M4A format for better quality at lower file sizes. Ideal for Apple devices, iTunes, and modern audio applications.
Key Features
Bidirectional Conversion
Switch between M4A to MP3 and MP3 to M4A conversion modes instantly with our swap functionality.
Customizable Bitrate
Choose from 128kbps, 192kbps, 256kbps, or 320kbps bitrate options to balance quality and file size.
High Quality Output
Maintain original audio quality with FFmpeg-powered conversion and advanced encoding options.
Batch Processing
Convert multiple M4A or MP3 files at once, saving time on bulk audio conversions.
M4A vs MP3 Comparison
| Feature | M4A | MP3 |
|---|---|---|
| Compatibility | Apple devices, modern players | Universal, all devices |
| Quality | Better at same bitrate | Good, widely supported |
| File Size | Smaller for same quality | Larger, more compatible |
| Best Use | iTunes, iOS, macOS | Playback anywhere |