MP3 to WMV Converter

Turn an MP3 into a WMV video so you can post audio where only video is accepted. Free, in your browser, with no signup and no watermark.

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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

Convert MP3 to WMV when you need a video file instead of an audio-only one, for example to drop a track into a PowerPoint slide, post to Facebook, or play inside Windows Media Player. WMV is Microsoft's Windows Media Video, so it fits Windows workflows well. EchoWave wraps your MP3 in a WMV with a clean visual, free and 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 MP3 to WMV

1
Upload your MP3
Drag your MP3 onto the converter or pick it from your device. Nothing to install.
2
Choose WMV and convert
Select WMV as the output. Your audio is placed into a video with a clean background.
3
Download your WMV
Save the WMV ready to upload, or open it in the editor to add a cover image first.

Try it

Estimate your WMV

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

Video bitrate

Length5 min

1 min30 min

Estimated WMV size183MBSharp 1080p

An estimate. Real size varies with resolution, frame rate, and how much the picture moves.

The formats

MP3 vs WMV

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

WMV

Windows Media Video

Windows Media video, small and Windows-first

Type: Windows Media video
Holds: Windows Media video with WMA audio
Typical size: Small, built for Windows
Plays on: Windows Media Player and VLC

Best for:Older Windows video and slideshows

Will it look and sound right?

Your audio is kept at full quality inside your new WMV video, so nothing is lost from the sound.
The picture is a simple visual because the source is audio only. Add a cover image or waveform in the editor for a richer look.
A longer track makes a larger video, since the file carries a picture for every second.

Use cases

What people use it for

MusiciansPost tracks to video sites

PodcastersPublish episodes on YouTube

TeachersShare a lesson as video

CreatorsMake an audiogram to share

SocialUpload where video is required

Troubleshooting

If something looks off

The video is just a still image

That is expected, since the source is audio only. Open the WMV in the editor to add a cover image, logo, or animated waveform.

It will not upload to YouTube or Instagram

Most sites want MP4. Convert to MP4 for the widest support, then upload the video file.

The file is large

Video files are bigger than audio because they store a picture for every frame. A shorter track or a plain background keeps the size down.

FAQ

MP3 to WMV questions

Is the MP3 to WMV converter free?

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

How do I convert MP3 to WMV?

Upload your MP3, choose WMV as the output, and start. Your audio is placed into a video with a clean background, and you can download the WMV when it finishes or open it in the editor to add a cover image first.

Why turn an MP3 into a WMV video?

Some places want a video file and reject plain audio. Converting MP3 to WMV lets you embed a song or narration in a PowerPoint slide, upload it to Facebook, or play it in Windows Media Player, all of which sit comfortably in the Windows ecosystem that WMV was built for.

Can I upload a WMV made from an MP3 to YouTube?

YouTube does not accept WMV uploads, so for YouTube you should convert your MP3 to MP4 instead. WMV is the better pick for Facebook, PowerPoint, and Windows Media Player, where the format is supported.

Will the WMV just be a still image?

By default yes, because the source is audio only, so the converter shows a clean background while your sound plays. For a richer look, open the WMV in the editor and add a cover image, a logo, or an animated waveform before you share it.

Does converting MP3 to WMV change the audio quality?

Your audio is carried into the WMV without an upgrade in quality, since both MP3 and the audio inside WMV are lossy. Nothing extra is added to the sound, and a longer track simply makes a larger video because the file stores a picture for every second.

After converting MP3 to WMV, what plays the file?

Windows Media Player opens WMV by default, and VLC plays it on any system. WMV is a Microsoft format, so it works best on Windows. On a Mac or iPhone you will usually want VLC or a converted MP4, which has broader native support.

Does the MP3 to WMV converter work on Mac, Windows, and phones?

Yes. The converter runs in any browser on Windows, macOS, Chromebook, Linux, iPhone, and Android, so you can build a WMV from any device. There is nothing to download and no account to create.

How big will the WMV be?

A WMV is much larger than the MP3 it came from because video stores a frame for every second of audio. WMV is built to be compact for a video format, but a long track still makes a sizeable file, so trim the MP3 first if you only need part of it.

Can I convert several MP3 files to WMV?

Yes. There are no file-count limits on these pages, so you can turn your MP3 files into WMV videos one after another. Longer tracks take a little more time to convert.