Convert M4A to AIFF Online — Free
Fast, free M4A to AIFF converter. No registration required.
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Supports: M4A files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .m4a 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 .aiff file when it's ready.
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
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
M4A vs AIFF
| Feature | M4A | AIFF |
|---|---|---|
| Full Name | MPEG-4 Audio | Audio Interchange File Format |
| Extension | .m4a | .aiff |
| Best For | Better than MP3 | Lossless quality |