AU → MKA
Convert AU audio to MKA entirely in your browser — no upload, no watermark, no sign-up.
Drop files here
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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.
AU is a Sun-era audio format that survives in old Unix and academic archives and almost nowhere else. MKA is the Matroska audio container that holds multiple tracks and chapters in one file, so converting turns a file you are stuck with into one you can actually use. Morphix runs the whole AU → MKA conversion locally with WebAssembly, so even confidential material never leaves your device.
Drop your AU file above and Morphix decodes it locally, then re-encodes it as MKA 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.
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