Opus 转 WAV - 在线免费转换
在浏览器里直接把 .opus 转成 .wav。文件不上传，免登录，转完即下载。
What is Opus?
Opus Interactive Audio Codec (.opus) — Opus is a modern, open-source audio codec designed for the internet. It excels at both voice and music, and is the standard codec for WebRTC, Discord, and WhatsApp calls.
What is WAV?
Waveform Audio File Format (.wav) — WAV is an uncompressed audio format developed by Microsoft and IBM. It preserves the original audio quality without any loss, making it the standard for professional audio production.
Opus vs WAV
| Feature | Opus | WAV |
|---|---|---|
| Full Name | Opus Interactive Audio Codec | Waveform Audio File Format |
| Compression | Lossy | Lossless |
| Typical Bitrate | 32-128 kbps | 1,411 kbps (CD quality) |
| Best For | Voice calls, VoIP, real-time audio, low-bandwidth streaming | Audio editing, music production, archiving master recordings |
| File Extension | .opus | .wav |
Frequently Asked Questions
Is converting Opus to WAV free?
Yes, completely free. The conversion runs entirely in your browser using WebAssembly — your files never leave your device and no sign-up is required.
Will I lose audio quality converting Opus to WAV?
Converting from lossy Opus to lossless WAV will not restore lost audio data, but it will preserve the existing quality without further degradation.
What is the maximum file size?
You can convert audio files up to 100MB. Since the conversion happens in your browser, processing speed depends on your device's performance.
Is my audio file uploaded to a server?
No. All format conversion is processed locally in your browser using FFmpeg WebAssembly. Your files never leave your device, ensuring complete privacy.