WAV to W64 — Format Comparison & Online Converter
Fast, instant WAV to W64 conversion. No signup required. Just drop your .wav file and get .w64 in seconds.
Batch Settings
大切な音声ファイルをWAV形式からW64形式へ変換したいとお考えですか？ WAVは広く利用されていますが、ファイルサイズや特定の環境での互換性に課題を感じることも少なくありません。一方、W64はより大きなデータ容量を扱えるよう設計されており、高音質のオーディオデータを扱うプロフェッショナルな現場で重宝されています。この変換ツールは、お客様の貴重な音源データを、品質を損なうことなく、より効率的かつ柔軟に扱えるW64形式へとスムーズに移行させるお手伝いをいたします。複雑な設定は不要で、直感的な操作で変換が完了しますので、どなたでも安心してお使いいただけます。この機会に、WAVファイルの持つ可能性をさらに広げてみませんか？
- アニメ制作の音声編集
- ビジネスプレゼン用ナレーションの高音質化
- 同人音楽のマスター音源作成
W64形式は、任天堂のNINTENDO64ゲーム機で採用されたことで、日本国内でもその存在が知られるようになりました。ゲーム開発の現場では、大容量の音声データを扱う際の選択肢の一つとして現在でも検討されることがあります。
About WAV to W64 Conversion
WAV (introduced 1991) and W64 are both audio formats, but they differ in important ways. WAV is uncompressed PCM audio — studio quality with no data loss, but large file sizes. W64 is a widely used file format.
When you convert WAV to W64, the goal is to convert between formats quickly. Converting WAV to W64 maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your WAV file is decoded and re-encoded as W64. The conversion involves 4 steps: (1) your wav file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in w64 format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a W64 file. For the opposite direction, CocoConvert also supports W64 to WAV conversion.
How to Convert WAV to W64
- 1
Upload .wav file
Select your WAV file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .w64
Set W64 as the output format. The converter uses optimal settings based on the WAV→W64 conversion profile.
- 3
Convert
The server-side engine decodes your WAV file and re-encodes it as W64. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .w64 file. Multiple output files can be downloaded together.
What Happens When You Convert WAV to W64
Your WAV file is decoded and re-encoded as W64.
Your WAV file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in W64 format
The converted file is ready for download
Format Comparison
WAV
.wav file
| Extension | .wav |
| MIME Type | audio/wav |
| Category | Audio |
W64
.w64 file
| Extension | .w64 |
| MIME Type | audio/x-w64 |
| Category | Audio |
Should You Convert WAV to W64?
When to Convert
- ✓When you need a W64 file
Frequently Asked Questions
What is the difference between WAV and W64?
WAV is uncompressed PCM audio — studio quality with no data loss, but large file sizes. W64 is a widely used file format.
Does WAV to W64 conversion affect quality?
Converting WAV to W64 maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, WAV or W64?
WAV uses none compression. W64 is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does WAV to W64 conversion take?
Most conversions finish in seconds. Larger files or complex audio content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is WAV or W64 better for long-term storage?
WAV is better for archival since it's lossless.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.