AIFF to AAC Converter
Convert AIFF files to AAC 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 AIFF 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 AIFF to AAC
- Click "Choose files" or drag your AIFF files onto the page.
- Make sure "AAC" is selected as the output format (192 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AAC files.
Why convert AIFF to AAC?
AAC files are typically 5-10x smaller than AIFF, making them ideal for phones, sharing and streaming.
AAC is best for streaming, broadcast and devices that need a raw AAC stream. Most phones, browsers, smart TVs and media players.
Will I lose quality?
AAC is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original AIFF.
AIFF vs AAC
| AIFF | AAC | |
|---|---|---|
| Full name | Audio Interchange File Format | Advanced Audio Coding (ADTS) |
| Type | uncompressed | lossy |
| Best for | Logic Pro, GarageBand, Final Cut and professional Mac workflows | streaming, broadcast and devices that need a raw AAC stream |
| Typical size | ~10 MB at 16-bit / 44.1 kHz per minute | ~1.4 MB at 192 kbps per minute |
| Compatibility | macOS, iOS, Logic, Pro Tools and most professional audio software. | Most phones, browsers, smart TVs and media players. |
| Developed by | Apple (1988) | MPEG (1997) |
AIFF to AAC: questions
How do I convert AIFF to AAC?
Open this page, add your AIFF file, make sure AAC is selected as the output format and click Convert. Your AAC file is ready to download in seconds.
Will converting AIFF to AAC lose quality?
AAC is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original AIFF.
Is this AIFF to AAC 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 AIFF files to AAC 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 AIFF and AAC?
AIFF (Audio Interchange File Format) is a uncompressed format, apple's uncompressed audio format - the Mac equivalent of WAV with full metadata support. 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.
Does it work on Mac, Windows, iPhone and Android?
Yes. The AIFF to AAC converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.