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AAC to AIFF - Online Audio Converter
Convert AAC to AIFF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AAC to AIFF
Drop AAC audio here or click to select
AAC
AIFF (PCM 16-bit)
About AAC to AIFF
Convert AAC to AIFF. AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. AIFF is Apple's IFF-based counterpart to WAV with PCM audio. Metadata support is thinner than WAV's; check tags after conversion..
Why convert AAC to AIFF?
- Larger files than lossy shares with AIFF uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AAC vs AIFF
| Codec | AAC | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. | AIFF is Apple's IFF-based counterpart to WAV with PCM audio. |
When not to convert AAC to AIFF
- Skip AIFF for the smallest share: lossless output stays large, so prefer a lossy target when sending AAC files.
- Keep a master copy: repeated exports stack small losses, so archive AAC before batch AIFF shares.
Limits
Starting point: AAC - Efficient lossy audio for streaming services. Container variants (ADTS, MP4) need matching extensions on export. Metadata support is thinner than WAV's; check tags after conversion. Encode AIFF (PCM 16-bit) from AAC at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert AAC to AIFF?
Drop your AAC file onto this page, choose quality and codec settings, then click Convert. The result downloads as AIFF instantly. All processing runs in your browser.
What codec is used for AIFF?
The default codec for AIFF is PCM 16-bit. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.