WMA to MP3 Converter

Turn locked-in Windows Media audio into MP3 that plays anywhere. Free, in your browser, with no signup and no watermark.

Select WMA file →

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Click or drag and drop to upload files

We support most file types including: MP4, MOV, WEBM, AVI, MP3, WAV, PNG, JPEG, GIF, MKV, PDF, FLAC, TIFF!

EchoWave is used by creators, marketers, educators, and businesses to convert and edit media online.

Updated June 2026

WMA is a Microsoft format that often refuses to play outside Windows Media Player, while MP3 plays on effectively every phone, car stereo, and app made in the last 25 years. This converter takes the audio from your WMA and saves it as a clean MP3 in your browser, free and with no signup, so a file stuck in an old library becomes one you can open anywhere.

Free, no sign-upNo account, no trial

Runs in your browserNothing to install

Works on every devicePhone, tablet, laptop

No watermarkClean output, every time

How it works

How to convert WMA to MP3

1
Upload your WMA
Drag your WMA onto the converter or pick it from your device. Nothing to install.
2
Choose MP3 and convert
Select MP3 as the output, set the bitrate if it applies, then start. Free, with no sign-up.
3
Download your MP3
Save the finished MP3, or open it in the editor to trim or adjust it first.

Try it

Estimate your MP3

Pick a bitrate and a length to see the MP3 file size before you convert.

Bitrate

Length10 min

1 min60 min

Estimated MP3 size14MBGreat for most music

An estimate. Real size varies a little with the encoder and the audio itself.

The formats

WMA vs MP3

WMA

Windows Media Audio

Windows Media audio, a Microsoft format

Type: Lossy audio format
Holds: Windows Media Audio, audio only
Typical size: Small, built for Windows
Plays on: Windows Media Player and VLC

Best for:Older Windows audio libraries

MP3

MPEG-1 Audio Layer III

The most universal audio format ever made

Type: Lossy audio format
Holds: Audio only
Typical size: Small, about 1 MB per minute at 128 kbps
Plays on: Effectively everything

Best for:Music, podcasts, and audio you listen to

Will it lose quality?

Converting a lossy file to a lossless one cannot restore detail that was already discarded. It only makes a larger file.
Going from a high-quality source to MP3 keeps the sound clear while changing the format.
Each pass between two lossy formats loses a little, so always convert from the best source you have.

Use cases

What people use it for

Music librariesStandardise your collection

ListenersUse a format your player likes

PodcastersMatch your host requirements

EditorsImport audio your tool accepts

DevicesPlay on phones and car stereos

Troubleshooting

If something looks off

The MP3 is larger than I expected

Lossless and uncompressed formats are big by design. If you want a smaller file, pick a lossy format and a bitrate around 192 to 256 kbps.

The song details are missing

Title, artist, and album travel as tags when the source has them. If they are blank, add them in any music app after converting.

My app will not open the MP3

Most apps open common audio, but a few are picky. VLC plays almost anything, or convert to MP3 for the widest support.

FAQ

WMA to MP3 questions

Why won't my WMA file play on my phone or car stereo?

WMA is a Windows Media format, and most phones, car head units, and music apps never added support for it. Converting WMA to MP3 fixes this in one step, because MP3 is the one audio format almost every device plays without complaint.

Is the WMA to MP3 converter free?

Yes. EchoWave converts WMA to MP3 with no signup, no file-count limit, no trial, and no watermark. Upload your file, convert it, and download the MP3 from your browser.

Will converting WMA to MP3 lose quality?

WMA and MP3 are both lossy, so the MP3 can only be as good as the audio already inside your WMA, and a higher bitrate cannot rebuild detail the WMA already discarded. Exporting at 192 to 320 kbps keeps music clear, and 128 kbps is fine for speech.

What bitrate should I pick when converting WMA to MP3?

Use 320 kbps for music you want to keep, 192 to 256 kbps for everyday listening, and 128 kbps for voice notes or interviews. Going above the WMA's original bitrate only grows the file without adding quality.

Does the WMA to MP3 converter work on iPhone, Android, Mac, and Windows?

Yes. The converter runs in any browser, so it works on iPhone, iPad, Android, macOS, Windows, Chromebook, and Linux with nothing to install. This is handy because iPhones and most Android phones cannot open a raw WMA at all.

Can I convert several WMA files from an old library?

Yes. There are no file-count limits on these pages, so you can work through an old Windows Media collection one file after another and rebuild it as MP3s your current devices can read.

Will the song title and artist carry over to the MP3?

Title, artist, and album travel along as ID3 tags when your WMA includes them. If a tag is blank after converting, you can add or fix it in any music app such as iTunes, the Apple Music app, or a phone player.

Is it safe to convert WMA to MP3 here?

It is. Pulling an old WMA out of a Windows Media library and turning it into an MP3 takes no sign-up and no software download, so nothing extra lands on your computer. Our security page explains exactly what happens to a file once you upload it for conversion.

What can I do with the MP3 after converting?

Play it anywhere, add it to a playlist, or open it in the editor to trim a clip, fade the ends, or turn the track into a shareable video with a waveform.