Convert AIFF to M4A Online — Free
Fast, free AIFF to M4A converter. No registration required.
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Supports: AIFF files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .aiff 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 AIFF?
AIFF is an uncompressed audio format developed by Apple. Like WAV, it provides perfect audio quality but results in large file sizes.
Format Details
- Full Name
- Audio Interchange File Format
- Extension
- .aiff
Key Features
- Lossless quality
- Apple standard
- Professional audio
- No compression
What is M4A?
M4A is an audio-only MPEG-4 container, commonly using AAC encoding. It provides better quality than MP3 at similar file sizes.
Format Details
- Full Name
- MPEG-4 Audio
- Extension
- .m4a
Key Features
- Better than MP3
- Apple ecosystem
- AAC encoding
- Metadata support
AIFF vs M4A
| Feature | AIFF | M4A |
|---|---|---|
| Full Name | Audio Interchange File Format | MPEG-4 Audio |
| Extension | .aiff | .m4a |
| Best For | Lossless quality | Better than MP3 |