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WMV to MP4 Converter

Convert WMV files to MP4 in seconds, free and unlimited.

🔒 Files are processed on your device. Nothing is uploaded.

How to convert WMV to MP4

  1. Click Choose files or drop your WMV files into the box. You can add several at once.
  2. Make sure MP4 is selected as the output format.
  3. Press Convert, then download your MP4 files.

WMV

Windows Media Video, Microsoft's video format for Windows Media Player.

MP4

MPEG-4 video, the most widely supported video format on phones, browsers and TVs.

Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.

Other WMV conversions

Convert other files to MP4

FAQ

Is converting WMV to MP4 free?

Yes. Unlimited conversions, no sign-up, no watermark.

Are my files uploaded to a server?

No. FieldConvert processes files inside your browser, so your WMV files never leave your device. That makes it private and fast, because there is no upload or download wait.

Is there a file size limit?

Only your device's memory. Files up to about 2 GB work in most desktop browsers.