Convert AAC to AIFF
AAC is great for efficient music files and broadcast audio, but AIFF is the better choice for uncompressed audio for Mac and pro audio software. Convert AAC to AIFF in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert AAC to AIFF
- 1
Tap Choose files and select one or more AAC files (or drag them in).
- 2
Check that AIFF is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your AIFF downloads automatically. Converting several files? Grab them all as a ZIP.
AAC vs AIFF
AIFF is lossless, but it can't restore detail already removed by AAC's compression — the file just gets bigger. Convert when an app or editor requires AIFF.
| AAC | AIFF | |
|---|---|---|
| Full name | Advanced Audio Coding (raw ADTS) | Audio Interchange File Format |
| Type | Audio | Audio |
| Compression | Lossy | Lossless |
| Developed by | MPEG | Apple |
| Introduced | 1997 | 1988 |
| Plays on iPhone | ✓ Yes | ✓ Yes |
| Plays on Android | ✓ Yes | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ◐ Partly / with an app |
| Plays on Mac | ✓ Yes | ✓ Yes |
About AAC and AIFF
AAC: AAC is the successor to MP3 and the audio codec behind YouTube, iTunes and most streaming services. A .aac file stores the raw AAC stream without an MP4 wrapper.
AIFF: AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV. It is used in GarageBand, Logic Pro and professional audio workflows.
Frequently asked questions
How do I convert AAC to AIFF on my phone?
Will converting AAC to AIFF reduce quality?
Is this AAC to AIFF converter free?
Are my files uploaded to a server?
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