OPUS → WMA
Convert OPUS audio to WMA entirely in your browser — no upload, no watermark, no sign-up.
Drop files here
or browse from your device
images · audio · video · documents · archives · up to ~500MB
100% Private
Runs in your browser. No upload.
Instant
No queue, no server roundtrip.
Offline-ready
Works after first load.
Opus is superb for voice and streaming, but many editors and upload forms still bounce a .opus file. WMA is the Windows Media audio format older Windows software, car head units and voice recorders still expect, so converting turns a file you are stuck with into one you can actually use. Morphix runs the whole OPUS → WMA conversion locally with WebAssembly, so even confidential material never leaves your device.
Drop your OPUS file above and Morphix decodes it locally, then re-encodes it as WMA using WebAssembly + the browser's native codecs. Nothing is ever uploaded — your files stay on your device. Batch as many files as your machine can handle.
Keep your files & browsing private — get NordVPN