WAV 转 AAC - 在线免费转换
在浏览器里直接把 .wav 转成 .aac。文件不上传，免登录，转完即下载。
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.
What is AAC?
Advanced Audio Coding (.aac) — AAC is the successor to MP3, offering better sound quality at similar bitrates. It is the default audio format for Apple devices, YouTube, and many streaming services.
WAV vs AAC
| Feature | WAV | AAC |
|---|---|---|
| Full Name | Waveform Audio File Format | Advanced Audio Coding |
| Compression | Lossless | Lossy |
| Typical Bitrate | 1,411 kbps (CD quality) | 128-256 kbps |
| Best For | Audio editing, music production, archiving master recordings | Apple devices, streaming services, mobile audio |
| File Extension | .wav | .aac |
Frequently Asked Questions
Is converting WAV to AAC 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 WAV to AAC?
Converting from lossless WAV to lossy AAC will result in some quality loss due to compression. For best results, use a higher bitrate setting.
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.