Convert Audio Interchange File Format (.aiff) to Waveform Audio (.wav) online for free. Fast, secure audio conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .aiff file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .wav file when it's ready.
AIFF and WAV are sibling formats — both store raw uncompressed PCM audio with nearly identical quality. AIFF uses big-endian byte order and originates from Apple (1988), while WAV uses little-endian byte order and comes from Microsoft/IBM (1991). Converting AIFF to WAV is a byte-order swap and header rewrite — the audio samples are mathematically identical. This conversion provides universal compatibility since WAV is supported by every audio application on every platform.
While AIFF is native to macOS, WAV is the universal uncompressed format. Windows DAWs (FL Studio, Ableton on PC, Audacity), broadcast equipment, scientific instruments, and game engines often expect WAV specifically. Some CD mastering software requires WAV input. Converting AIFF to WAV eliminates any compatibility friction when moving between Apple and non-Apple environments.
FFmpeg reads the AIFF PCM data (big-endian), swaps byte order to little-endian, and writes a WAV file with the RIFF/WAVE header. The sample rate, bit depth, and channel count are preserved exactly. File size is nearly identical — AIFF and WAV headers differ by only a few bytes. This is one of the fastest conversions possible, limited only by disk read/write speed.
Bit-for-bit identical. Both AIFF and WAV store raw PCM samples. The conversion changes only the container header and byte order, not the audio data. You can verify this by comparing the decoded sample values — they match exactly.
| Device | AIFF | WAV |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
AIFF to WAV is the simplest meaningful audio conversion — a header and byte-order change that provides universal platform compatibility. Zero quality loss, near-instant processing.
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| Native |
| Funktion | AIFF | WAV |
|---|---|---|
| Fullstandigt namn | Audio Interchange File Format | Waveform Audio File Format |
| Filandelse | .aiff | .wav |
| Bast for | Lossless quality | Lossless quality |