W64 to AIFF conversion is the process of transforming audio files stored in Sony/SGI's W64 format — a 64-bit extension of WAV that supports very large files and high-resolution data — into the AIFF (Audio Interchange File Format) container, which is a widely supported, uncompressed PCM format often used on macOS and in professional audio workflows. This conversion extracts the raw audio samples from the W64 file and writes them into an AIFF file, preserving bit depth and sample rate where possible for lossless transfer between these formats.
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Read guide →Drag your .W64 file from your computer or use the browse function.
Confirm .aiff as the selected destination format.
Click "Convert" and download your converted .AIFF file once ready.
The W64 file uses the audio/w64 MIME type and is mostly employed in professional digital audio recording environments. AIFF files use the audio/aiff MIME type and are common in both professional and consumer audio applications. W64 typically contains PCM codec audio data, whereas AIFF supports multiple codecs but generally stores uncompressed PCM audio for maximum quality.
The AIFF (.AIFF) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like W64.
While specific technical details aren't available here, AIFF files generally serve the purpose of storing audio effectively within their domain.
Easily convert your W64 audio files to AIFF format with our fast and user-friendly online converter. No downloads or installations required, simply upload your W64 files and get high-quality AIFF files in moments.
W64 is a proprietary Sony audio format mainly used for high-resolution audio recording, while AIFF is an uncompressed audio format widely supported across platforms. AIFF files are easier to edit and share due to their universal compatibility. W64 files tend to be larger and less commonly supported compared to AIFF.
Keep individual files under a few gigabytes for smooth browser-based conversion; if possible split ultra-large recordings into smaller clips to avoid timeouts.
To preserve quality, choose an AIFF output bit depth and sample rate equal to the W64 source (e.g., 24-bit/48 kHz → AIFF 24-bit/48 kHz) rather than resampling or dithering unnecessarily.
For bulk workflows, use a desktop batch converter or command-line tool (FFmpeg or SoX) to convert multiple W64 files to AIFF reliably and faster than single-file web uploads.
Note format-specific limits: AIFF stores uncompressed PCM and will produce larger files than compressed formats; W64 supports very large files (>4 GB) while classic WAV may not.
This W64 to AIFF converter saved me hours in post-production.
James L.
Audio Engineer
Easy to use and the output audio quality is fantastic.
Maria S.
Musician
Fast and reliable – exactly what I needed for my audio files.
Kevin R.
Podcaster
Start your free W64 to AIFF conversion now.
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If metadata or cue markers are important, verify the converter supports transferring those items—some tools strip advanced metadata during conversion.