Convert M4A to AIFF
Free, fast and secure — convert M4A to AIFF right in your browser.
M4A
AIFF
Move your M4A into a lossless AIFF
Converting M4A to AIFF lifts your file into a format that keeps every detail intact — ready for editing, archiving or high-quality output.
How to convert M4A to AIFF
- 1 Drop your M4A file into the converter above.
- 2 It is converted to AIFF automatically — no settings to fiddle with.
- 3 Download your new AIFF file instantly.
M4A vs AIFF
| Feature | M4A | AIFF |
|---|---|---|
| Compression | Lossy | Lossless |
| MIME type | audio/mp4 | audio/aiff |
| Best for | High-quality music and voice on Apple devices and modern apps. | Recording and editing on Mac — converted to MP3 or M4A to share. |
About the formats
M4A
M4A (AAC) audio
M4A holds AAC audio, the default for Apple Music and iTunes. It generally sounds better than MP3 at the same bitrate and is well supported on modern devices.
Strengths
- Better quality than MP3 at equal size
- Default on Apple platforms
- Efficient, modern codec
Limitations
- Slightly less universal than MP3
- Lossy compression
- Occasional legacy-player issues
Best for: High-quality music and voice on Apple devices and modern apps.
AIFF
AIFF audio
AIFF is Apple’s uncompressed, lossless audio format — the Mac counterpart to WAV. It stores studio-grade sound with no quality loss, in large files.
Strengths
- Lossless, studio quality
- Native to macOS
- Ideal for editing
Limitations
- Very large files
- Impractical for streaming
- Overkill for casual listening
Best for: Recording and editing on Mac — converted to MP3 or M4A to share.
Frequently asked questions
Upload your M4A file above and it is converted to AIFF automatically. When it is ready, download your new AIFF audio — the whole thing takes just a few seconds in your browser.
Converting M4A to AIFF lifts your file into a format that keeps every detail intact — ready for editing, archiving or high-quality output.
AIFF is a lossless format, so your converted file keeps its full quality with no degradation.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.