AIFF to HE-AAC - Online Audio Converter
Convert AIFF to HE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About AIFF to HE-AAC
Convert AIFF to HE-AAC. AIFF is Apple's IFF-based counterpart to WAV with PCM audio. HE-AAC adds spectral band replication for efficient low-bitrate streaming. Needs an HE-AAC decoder; plain AAC players may play only half the bandwidth..
Why convert AIFF to HE-AAC?
- Smaller files with HE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AIFF vs HE-AAC
| Codec | PCM 16-bit | AAC (HE) |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | AIFF is Apple's IFF-based counterpart to WAV with PCM audio. | HE-AAC adds spectral band replication for efficient low-bitrate streaming. |
When not to convert AIFF to HE-AAC
- Skip HE-AAC for archival masters: lossy compression discards detail, so keep the AIFF original.
- Keep a master copy: repeated exports stack small losses, so archive AIFF before batch HE-AAC shares.
Limits
Starting point: AIFF - AIFF is Apple's IFF-based counterpart to WAV with PCM audio. Metadata support is thinner than WAV's; check tags after conversion. Needs an HE-AAC decoder; plain AAC players may play only half the bandwidth. Encode HE-AAC (AAC (HE)) from AIFF 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.