MP3 to WMA Converter
Drop in MP3 files and get WMA back in seconds, processed entirely on your device.
MP3 files (most other audio and video files work too). Files stay on your device.
How it works
- Choose your MP3 file, or drop it on the page. You can add several files at once.
- Choose WMA quality: a bitrate (48 to 192 kbps; 128 kbps is typical) or leave the default.
- Click Convert. Processing happens on your device and shows progress; you can cancel at any time.
- Preview the result and download the WMA file. With several files, download them all as one ZIP.
About MP3 to WMA conversion
MP3 (MPEG-1/2 Audio Layer III) suits music libraries, podcasts and sharing when you cannot know what the listener uses. WMA (Windows Media Audio) suits opening an old music collection; not recommended for new files.
Both formats are lossy, so converting re-encodes the audio and costs a little quality each time. Keep your MP3 original, and choose a WMA bitrate at least as high as the source for the best result.
For a 4-minute track, a typical MP3 file is about 6 MB and a typical WMA file is about 4 MB. Your own result depends on the bitrate and the audio itself.
MP3 vs WMA
WMA support: Plays in Windows Media Player and many older devices. No major browser or phone plays it natively today.
MP3 support: Plays on virtually every phone, car stereo, TV, browser and media player made in the last 25 years.
| Detail | MP3 | WMA |
|---|---|---|
| Type | Lossy | Lossy |
| Codec | MP3 | WMA (ASF container) |
| Typical bitrate | 128 to 320 kbps; 192 kbps is a common balance | 48 to 192 kbps; 128 kbps is typical |
| A 4-minute track | about 6 MB | about 4 MB |
| File extensions | .mp3 | .wma |
| Best for | music libraries, podcasts and sharing when you cannot know what the listener uses | opening an old music collection; not recommended for new files |
| Introduced | 1993 | 1999 |
Quality and compatibility notes
- WMA: Some old files are DRM-protected and cannot be opened by any tool. Tag and software support has faded.
- MP3: Each re-encode loses a little more detail, and there is no true gapless support without extra tags.
- WMA bitrate range: 48 to 192 kbps; 128 kbps is typical.
- Tags: WMA stores ASF content description objects.
Questions
Does converting MP3 to WMA reduce quality?
A little. Both MP3 and WMA are lossy, so converting re-encodes the audio. A high bitrate keeps the loss very small, and keeping your original avoids any permanent change.
How big will the WMA file be?
For a 4-minute track, a typical MP3 file is about 6 MB and a typical WMA file is about 4 MB. Your own result depends on the bitrate and the audio itself.
Is my MP3 file uploaded anywhere?
No. The conversion runs in your browser on your device. The file is never sent to a server, and nothing is stored after you close the page.