AAC to AIFF Converter
Convert AAC files to AIFF in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop AAC files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert AAC to AIFF
- Click "Choose files" or drag your AAC files onto the page.
- Make sure "AIFF" is selected as the output format.
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AIFF files.
Why convert AAC to AIFF?
AIFF is uncompressed, so further editing and re-saving won't reduce quality any more. (It can't restore detail that AAC compression already removed.)
AIFF is best for Logic Pro, GarageBand, Final Cut and professional Mac workflows. macOS, iOS, Logic, Pro Tools and most professional audio software.
Will I lose quality?
Converting AAC to AIFF keeps all the quality that is in your AAC file - nothing more is lost. However, it cannot recover detail removed when the AAC was originally created, and the AIFF file will be larger.
AAC vs AIFF
| AAC | AIFF | |
|---|---|---|
| Full name | Advanced Audio Coding (ADTS) | Audio Interchange File Format |
| Type | lossy | uncompressed |
| Best for | streaming, broadcast and devices that need a raw AAC stream | Logic Pro, GarageBand, Final Cut and professional Mac workflows |
| Typical size | ~1.4 MB at 192 kbps per minute | ~10 MB at 16-bit / 44.1 kHz per minute |
| Compatibility | Most phones, browsers, smart TVs and media players. | macOS, iOS, Logic, Pro Tools and most professional audio software. |
| Developed by | MPEG (1997) | Apple (1988) |
AAC to AIFF: questions
How do I convert AAC to AIFF?
Open this page, add your AAC file, make sure AIFF is selected as the output format and click Convert. Your AIFF file is ready to download in seconds.
Will converting AAC to AIFF lose quality?
Converting AAC to AIFF keeps all the quality that is in your AAC file - nothing more is lost. However, it cannot recover detail removed when the AAC was originally created, and the AIFF file will be larger.
Is this AAC to AIFF converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many AAC files to AIFF at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between AAC and AIFF?
AAC (Advanced Audio Coding (ADTS)) is a compressed (lossy) format, raw AAC audio stream. The successor to MP3 used by YouTube, iPhone and digital radio. AIFF (Audio Interchange File Format) is a uncompressed format: apple's uncompressed audio format - the Mac equivalent of WAV with full metadata support.
Does it work on Mac, Windows, iPhone and Android?
Yes. The AAC to AIFF converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.