Convert MP3 to iPhone Audio Online — Free
Fast, free MP3 to iPhone Audio converter. No registration required.
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How to Convert
Upload your .mp3 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
What is MP3?
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
Format Details
- Full Name
- MPEG Audio Layer III
- Extension
- .mp3
Key Features
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
What is iPhone Audio?
iPhone-optimized audio format using AAC encoding at 256kbps. Configured for high-quality playback on iPhone devices with full Apple ecosystem compatibility.
Format Details
- Full Name
- iPhone Compatible Audio
- Extension
- .m4a
Key Features
- iPhone optimized
- AAC 256kbps
- Apple ecosystem
- AirPlay compatible
MP3 vs iPhone Audio
| Feature | MP3 | iPhone Audio |
|---|---|---|
| Full Name | MPEG Audio Layer III | iPhone Compatible Audio |
| Extension | .mp3 | .m4a |
| Best For | Universal compatibility | iPhone optimized |