FLAC Audio to W64 conversion is the process of transforming audio encoded in the Free Lossless Audio Codec (FLAC) into Sony's Wave64 (W64) container format. This conversion wraps or decodes lossless FLAC streams into the large-capacity W64 waveform container, preserving high-resolution audio while enabling support for files larger than 4 GB and professional workflows.
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Read guide →Drag your .FLAC file from your computer or use the browse function.
Confirm .w64 as the selected destination format.
Click "Convert" and download your converted .W64 file once ready.
FLAC Audio files use the MIME type audio/flac and are compressed using a lossless audio codec to reduce file size without sacrificing quality. W64 files use the MIME type audio/w64 and are based on the Wave64 format developed by Sony for professional audio editing, supporting 64-bit file sizes and multiple audio channels. These formats cater to different use-cases: FLAC for efficient storage and playback, and W64 for detailed editing and archival.
The W64 (.W64) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like FLAC Audio.
While specific technical details aren't available here, W64 files generally serve the purpose of storing audio effectively within their domain.
Easily convert your FLAC Audio files to the W64 format with our fast and reliable online FLAC to W64 converter. Designed for audio professionals and enthusiasts alike, this tool ensures high-quality conversions without any software installation. Enjoy seamless file compatibility and enhanced audio workflows by converting FLAC to W64 online today.
FLAC Audio is a lossless compression format known for preserving audio quality while reducing file size. In contrast, W64 is an extended Wave format that supports very large file sizes and is often used in professional audio production. While FLAC is ideal for storage and distribution, W64 excels in editing environments requiring extensive metadata and unlimited file duration.
Keep original files under recommended sizes for faster uploads; although W64 supports >4 GB, browser uploads above 1–2 GB can be unreliable.
To preserve quality, convert FLAC to W64 using PCM output at the original sample rate and bit depth (avoid unnecessary resampling or bit-depth reduction).
For large libraries, use batch conversion tools or CLI utilities that support W64 to process multiple FLACs in one job and maintain consistent metadata mapping.
Note that W64 is a container for PCM audio—converting from FLAC (lossless compressed) to W64 increases file size because W64 stores uncompressed PCM.
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Audio Engineer
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Sound Designer
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Some consumer audio software may not fully support W64 metadata chunks; if compatibility is required, export to standard WAV or ensure target software supports W64.