All Tools
[ audio bench ]
MP3 to AIFF - Online Audio Converter
Convert MP3 to AIFF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MP3 to AIFF
Drop MP3 audio here or click to select
MP3
AIFF (PCM 16-bit)
About MP3 to AIFF
Convert MP3 to AIFF. MP3 is the MPEG-1 Layer III codec, playable on virtually every device. 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 MP3 to AIFF?
- Larger files than lossy shares with AIFF uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
MP3 vs AIFF
| Codec | libmp3lame | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | MP3 is the MPEG-1 Layer III codec, playable on virtually every device. | AIFF is Apple's IFF-based counterpart to WAV with PCM audio. |
When not to convert MP3 to AIFF
- Skip AIFF for the smallest share: lossless output stays large, so prefer a lossy target when sending MP3 files.
- Keep a master copy: repeated exports stack small losses, so archive MP3 before batch AIFF shares.
Limits
Starting point: MP3 - Lossy compressed music near 128-256 kbps. Repeated re-encoding stacks artifacts; convert from the master. Metadata support is thinner than WAV's; check tags after conversion. Encode AIFF (PCM 16-bit) from MP3 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.
Related conversions
FAQ
How do I convert MP3 to AIFF?
Drop your MP3 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.