How to Convert WAV to AAC
- Click the drop zone above or drag and drop your WAV file(s) into it.
- Make sure AAC is selected as the output format.
- Choose your preferred sample rate (44.1 kHz recommended for most uses).
- Click "Convert All" and wait for the conversion to complete.
- Download your converted AAC file(s) individually.
What is WAV?
Waveform Audio File Format (WAV) — An uncompressed audio format that preserves the original audio quality without any data loss. Commonly used in professional audio production.
- Format type: Lossless (uncompressed)
- File extension: .wav
What is AAC?
Advanced Audio Coding (AAC) — A lossy audio format that delivers better sound quality than MP3 at the same bitrate. The default format for Apple devices and YouTube.
- Format type: Lossy
- File extension: .aac
Why Convert WAV to AAC?
Converting from WAV to AAC significantly reduces file size while maintaining good audio quality. This is ideal for sharing audio online, storing music on portable devices with limited storage, or streaming on the web.
WAV vs AAC — Key Differences
| Feature | WAV | AAC |
|---|---|---|
| Full name | Waveform Audio File Format | Advanced Audio Coding |
| Compression | Lossless (uncompressed) | Lossy |
| File extension | .wav | .aac |
Frequently Asked Questions
Is this converter free?
Yes, completely free. There are no limits on the number of conversions, no file size restrictions, and no account required.
Is my audio data safe?
Absolutely. Your files never leave your device. All conversion happens locally in your browser using the Web Audio API — no data is uploaded to any server.
What browsers are supported?
This converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Some output formats (OGG, WebM, AAC) depend on your browser's MediaRecorder support.
Can I convert multiple files at once?
Yes. You can drop or select multiple WAV files and they will all be converted to AAC in sequence.