How to open a .aiff file?

AIFF files can be opened by most music players and audio editors. You can also convert AIFF to other formats online using SquishConvert.

How to convert a .aiff file?

Upload your .aiff file to SquishConvert, select an output format, and click Convert. Your converted file will be ready to download in seconds.

Audio format

.aiff

Audio Interchange File Format

AIFF is Apple's uncompressed audio format, the macOS equivalent of WAV. It stores full-quality audio data and is commonly used in professional audio production on Apple systems.

MIME type

audio/aiff

Developer

Apple

Introduced

1988

Advantages

Lossless — full audio quality
Native macOS support
Rich metadata support
Industry standard in Apple-based studios

Limitations

Very large file sizes
Less universal than WAV on Windows
No compression in standard form
Being replaced by ALAC/FLAC

When to use AIFF

Professional audio on macOS

Logic Pro and GarageBand projects

Audio mastering

High-quality audio archival

Technical details

AIFF is based on the IFF container format. It stores raw PCM audio data with support for up to 32-bit depth and various sample rates. AIFF-C variant supports compressed audio.