WMA → MP3
Convert old Windows Media WMA audio to MP3 that plays anywhere.
Drop files here
or browse from your device
images · audio · video · documents · archives · up to ~500MB
Your first conversion lands here automatically — saved on this device only, never uploaded.
100% Private
Runs in your browser. No upload.
Instant
No queue, no server roundtrip.
Offline-ready
Works after first load.
WMA libraries are usually the leftovers of a Windows Media Player CD-ripping era. The music is fine; the format is a dead end that phones, Macs and streaming devices refuse outright. MP3 brings the collection back to life.
WMA is Microsoft's audio format from the Windows Media era. It fills old CD rips and Windows Media Player libraries, and almost nothing outside Windows will play it.
One lossy re-encode, transparent at sensible bitrates for material of this age. Track tags carry across where present. DRM-protected WMA files from old download stores cannot be converted at all.
What you gain with MP3: Universal playback on every phone, car stereo, DAW and browser ever made.
Drop your WMA file above and Morphio decodes it locally, then re-encodes it as MP3 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. See exactly how in-browser conversion works.
Open the WMA to MP3 page, drop your audio file on the drop zone and press convert. Morphio runs an FFmpeg build compiled to WebAssembly that runs inside the page, so the WMA data never leaves your device and no server ever receives a copy.
Sample rate and channel layout carry across, and you keep the original file untouched on disk. Converting WMA to MP3 only rewrites the container and encoding you asked for — the source file on your disk is never modified.
Yes. The free plan covers 10 conversions a day with files up to 200 MB and adds no watermark or sign-up. Morphio Pro ($5/month, or $29 once for lifetime access) removes the daily cap and raises the per-file limit to 5 GB.
No. Files locked by an old store's DRM cannot be decoded, and no converter can bypass that.
Not at 192 kbps or above for typical CD rips.