WAV to Opus Converter

Compress WAV files into Opus format for dramatically smaller file sizes. Opus provides the best compression efficiency of any lossy codec — perfect for web audio, Discord, and streaming applications.

WAVOpus

Drop your WAV file here or click to browse

WAV (.wav) · Max 20 MB

Free — 10-second preview, 5 conversions/month. Upgrade for unlimited

What is WAV?

Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.

What is Opus?

Modern open-source codec. Best quality-per-bit of any lossy format. Used by Discord, WebRTC, and modern browsers.

Why Convert WAV to Opus?

WAV to Opus pairs the best possible source with the most efficient codec available: the encoder sees the complete uncompressed signal, and Opus turns it into less data per second of audio than MP3, AAC, or Vorbis can manage at the same quality. The results are startling if you are used to MP3 arithmetic — speech that is transparent at 48-64 kbps, music that holds up at 96-128, files a tenth to a twentieth the size of the WAV master. That efficiency is why the conversion matters in specific niches: web applications serving audio at scale, where bandwidth is money; Discord bots and soundboards, where Opus is the native format; VoIP and IVR systems shipping voice prompts; game and app builds where audio bloats the download; and long spoken-word archives (lectures, meetings, oral histories) where hundreds of hours need to fit somewhere reasonable. Every modern browser plays Opus natively, so web use is safe; car stereos and older devices, less so — Opus is a delivery format for systems you control, not a universal library format. Encode from the WAV master at the bitrate the job needs, keep the WAV if you may re-export later, and the whole thing runs locally in your browser.

Who Uses This Converter

Web audio at scale

Serve voice and sound at a fraction of MP3 bandwidth with native browser playback.

Discord & bot audio

Encode straight to the platform's native codec from your clean WAV sources.

Voice prompts & IVR

Phone-system prompts at 48 kbps sound identical and load instantly.

Massive spoken-word archives

Hundreds of hours of lectures or meetings fit in a twentieth of the WAV space.

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.

What bitrate should I use for Opus?

48-64 kbps makes speech effectively transparent when encoding from a WAV master; 96-128 kbps covers most music. Opus at 64 kbps roughly matches MP3 at 128-160 — halve your MP3 intuitions.

How much smaller than the WAV will it be?

Typically 10-20× smaller. A 50 MB WAV of speech becomes 2-4 MB of Opus at transparent quality — the biggest practical size reduction any mainstream codec offers.

Where does Opus play?

All modern browsers, Discord, WhatsApp, Telegram, VLC, and modern software stacks. Older devices and car stereos often skip it — use MP3 for a general listening library, Opus for systems that speak it.

Is this WAV to Opus converter free?

Yes. Free users get 5 conversions per month. The output is limited to the first 10 seconds as a preview, with a 20MB input file size limit. Upgrade to Pro for unlimited, full-length conversions.