AIFF
An audio container developed by Apple and based on the IFF structure, commonly used for uncompressed PCM audio and professional audio workflows.
General information
- Format name
- Audio Interchange File Format
- Extensions
.aiff.aif.aifc- MIME type
audio/aiff- Category
- audio
- Data type
- Binary
- Developer
- Apple
- Introduced
- 1988
Media properties
- Compression
- Varies
- Codec
- PCM
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | 46 4F 52 4D | FORM | AIFF uses an IFF FORM container. FORM alone is not unique to AIFF. |
| 8 | 41 49 46 46 | AIFF | The AIFF form type identifies the standard uncompressed AIFF variant. |
Common uses
Uncompressed music
Professional audio
Sample libraries
Audio editing
Archival audio workflows
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| Audio Interchange File Format | Library of Congress | Open resource ↗ |
| Media Types Registry | IANA | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026