How to use the WAV Compressor
- Choose the WAV.
- Choose a compression method.
- Compress.
- Download the smaller WAV.
Methods
- ADPCM: about 4× smaller, keeps stereo and sample rate; slight hiss on quiet parts.
- Mono 22 kHz: about 4× smaller, clean sound for voice and simple audio.
- Mono 16 kHz: about 5–6× smaller, good for voice prompts, IVR and speech recognition.
Good to know
Lossy files keep their format and are re-encoded at the bitrate you choose. Lossless or uncompressed files are saved as MP3 (or stay WAV on the WAV compressor). Tags such as title and artist are kept where the format supports them.
Supported files
MP3, WAV, M4A, AAC, OGG, OGA, FLAC, OPUS, WMA, AIFF, AIF, AIFC, ALAC, AMR, AC3, MP2, M4B, M4R, CAF, AU, WEBA, 3GA, APE and VOC. Files up to 1 GB each.
Frequently asked questions
Will my editor open ADPCM WAV?
Most do (Audacity, Adobe Audition, VLC). Some very simple players only accept 16-bit PCM; use the mono options for those.
Do I have to pay or sign up to use the WAV Compressor?
No. There is no account, no payment and no watermark. The only limit is 1 GB per file, set by what browsers can handle.
Is my file uploaded to a server?
No. The converter runs inside your browser using WebAssembly, so your file is processed on your own device and never sent to us or anyone else.
Does it work on iPhone and Android?
Yes, in Safari, Chrome and other modern mobile browsers. Short files work best on phones; for long or high-resolution videos a computer is faster.