WINDOWS Media Video to W64 conversion is the process of transforming a video encoded in the WMV (Windows Media Video) container and codec into the W64 format, a Sony Wave64-based container often used for large, high-quality audio/video data. This conversion repackages and, if requested, re-encodes video and audio streams so they are compatible with software and workflows that prefer the W64 container and its support for large file sizes and high bit-depth audio.
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Read guide →Drag your .WMV 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.
The WMV format typically uses the video/x-ms-wmv MIME type and incorporates codecs like WMV9 for video and WMA for audio. W64 files use the audio/w64 MIME type and are commonly employed in professional audio recording and editing contexts, supporting high bit-depth PCM audio streams. W64 is favored for preserving audio integrity during production workflows.
The W64 (.W64) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like WINDOWS Media Video.
While specific technical details aren't available here, W64 files generally serve the purpose of storing audio effectively within their domain.
Easily convert your WINDOWS Media Video (WMV) files to the W64 format using our free and user-friendly online converter. No software installation required, just upload your WMV files and get high-quality W64 audio files in moments.
WINDOWS Media Video (WMV) is a video format designed primarily for playback and streaming in Microsoft environments, often combining video and audio streams. W64 is an audio-only format developed by Sony, supporting high-resolution audio with extended file size limits. While WMV focuses on video compression, W64 is optimized for audio quality and professional editing.
Keep source WMV file sizes moderate (under 1–2 GB) for faster browser-based conversion; use desktop tools for very large files.
To preserve quality, avoid re-encoding video where possible and select lossless audio (PCM) in W64; choose native frame rate and original resolution.
For batch conversion, group files by codec and resolution to ensure consistent output settings and use a tool that supports queue processing.
Format limitation: W64 is primarily an audio-centric Wave64 container adapted for large media; complex WMV features like advanced DRM or proprietary VC-1 profiles may not transfer intact.
The WMV to W64 converter saved me hours in post-production.
John M.
Audio Engineer
Fast and easy conversion with no quality loss.
Emma S.
Podcaster
Perfect tool for extracting high-quality audio from WMV videos.
Mike L.
Video Editor
Start your free WMV to W64 conversion now.
Drag your file here to to upload.
Up to 250MB
If you need archival-quality output, prefer higher bit depth (24/32-bit) and retain original sample rates; expect W64 files to be significantly larger than WMV.