WAV to WMA Converter

Turn a heavy WAV into a small WMA file for Windows Media Player and older Windows audio libraries. Free, in your browser, no signup.

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

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Updated June 2026

WMA is Microsoft's audio format, and it is still the natural fit for Windows Media Player and older Windows music libraries. Converting a bulky WAV to WMA compresses the recording so it takes far less space while staying easy to play on Windows. It is a lossy format, so think of it as a smaller listening copy rather than a master. Convert free in your browser, with no signup and no watermark.

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 WAV to WMA

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

Try it

Estimate your WMA

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

Bitrate

Length10 min

1 min60 min

Estimated WMA size14MBGreat for most music

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

The formats

WAV vs WMA

WAV

Waveform Audio File Format

Uncompressed studio-quality audio

Type: Uncompressed audio
Holds: Raw PCM audio, no compression
Typical size: Very large, about 10 MB per minute
Plays on: Every device and audio editor

Best for:Editing and mastering at full quality

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

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 WMA 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 WMA 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 WMA

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

FAQ

WAV to WMA questions

What plays a WMA file?

Windows Media Player and the Windows photos and music apps play WMA without any extra setup, and VLC opens it on any system. On a Mac, iPhone, or Android device support is patchy, so MP3 is the safer pick if you need to play it outside Windows.

Why convert WAV to WMA instead of MP3?

Choose WMA when you are building a library for Windows Media Player or feeding older Windows software and hardware that expect it. For everything else, MP3 plays on more devices and is the more common choice today.

Will I lose quality converting WAV to WMA?

WMA is lossy, so it drops some detail to shrink the file. At a reasonable bitrate that loss is hard to hear, but it is not an exact copy of the uncompressed WAV. Keep the WAV if you intend to keep editing or want a master.

How much smaller is a WMA than a WAV?

Much smaller. A WAV runs about 10 MB per minute uncompressed, while a WMA of the same clip is a small fraction of that. The size depends on the bitrate, with higher bitrates trading space for sound quality.

Can I add song details like title and artist?

WMA carries title, artist, and album as tags. If your WAV has those details they travel along, and if they are blank you can add them in Windows Media Player or another music app after converting.

Is the WAV to WMA converter free?

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

Does it work on Mac as well as Windows?

Yes, the converter itself runs in any browser on macOS, Windows, Chromebook, and Linux. Note that playing the finished WMA is easiest on Windows, so use VLC if you need to hear it on a Mac.

Can I convert several WAV files to WMA?

Yes. There are no file-count limits on these pages, so you can convert your WAV recordings one after another. Larger files simply take a little longer to upload and convert.