Compress WAV to Opus
Need smaller audio files? Converting WAV to Opus dramatically reduces file size. A 50MB file becomes 5MB. Perfect for email, sharing, and storage.
Drop your WAV file here or click to browse
WAV (.wav) · Max 20 MB
WAV files are uncompressed and huge. Opus uses lossy compression to shrink them by 90% or more. The size reduction is significant for sharing, uploading, and storage.
For email attachments, 128-192kbps works well. For music sharing, use 256-320kbps. AudioUtils lets you drop your file and convert instantly. No upload to a server, no waiting.
WAV is lossless. Converting to Opus reduces file size at the cost of some audio data. Use a high bitrate to minimize loss. Choose the right bitrate for your use case. Higher bitrate means better quality but larger files.
Frequently Asked Questions
How small can Opus compress a WAV file?
Extremely small. A 50MB WAV file compresses to about 2-3MB as Opus at 128kbps with excellent quality. At 64kbps (great for speech), it's even smaller.
Is Opus better than MP3 for web audio?
Yes. All modern browsers support Opus, and it delivers better quality at lower bitrates than MP3. For new web projects, Opus is the recommended choice.
Can I use Opus files in video projects?
Yes. Opus is commonly used as the audio codec in WebM video containers and is supported in MKV as well. Most modern video tools accept it.
About WAV
Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.
About Opus
Modern open-source codec. Best quality-per-bit of any lossy format. Used by Discord, WebRTC, and modern browsers.