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Output uses WMV2 video and WMAV2 audio (.wmv). First run downloads FFmpeg (~25 MB) once in this browser.

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MP4 to WMV converter online free

Convert MP4 to WMV online free. Free MP4 to WMV converter — turn MP4 into Windows Media Video (.wmv) with adjustable bitrate, no server upload.

What is an MP4 to WMV converter?

An MP4 to WMV converter (also searched as convert MP4 to Windows Media Video or converter MP4 WMV) changes MP4 videos into Windows Media Video (.wmv) for older Windows players, PowerPoint embeds, and legacy workflows. Use it for MP4 to WMV conversion, convert MP4 files to WMV, or turn MPEG-4 into WMV. This tool runs locally with FFmpeg WebAssembly (WMV2 + WMAV2) — no server upload.

MP4 to WMV converter features

Free online MP4 to WMV and Windows Media Video converter in the browser.

  • Convert MP4 to WMV online

    Upload an MP4 file and download a .wmv for Windows Media playback.

  • Convert MP4 to Windows Media Video

    Create WMV output for apps and devices that still expect Windows Media.

  • MP4 to WMV converter free

    No sign-up required. Convert MP4 files to WMV at no cost in the browser.

  • Adjustable video bitrate

    Choose 800 / 1500 / 2500 kbps to balance quality and file size.

  • No server upload

    FFmpeg WebAssembly processes video on your device for better privacy.

  • WMV2 + WMAV2 output

    Exports classic Windows Media codecs compatible with many WMV players.

How to convert MP4 to WMV

How to convert MP4 files to WMV or run MP4 to WMV conversion in three steps.

  1. Upload MP4 file

    Drop or select your .mp4 video (up to 200 MB).

  2. Choose video bitrate

    Use 1500 kbps for balance, 2500 kbps for higher quality, or 800 kbps for smaller files.

  3. Convert and download

    Click Convert to WMV, then save the .wmv result.

Great for

Common MP4 to WMV and Windows Media conversion scenarios.

  • Legacy Windows playback

    Deliver WMV when a PC or kiosk still prefers Windows Media Video.

  • Presentations and embeds

    Convert MP4 for PowerPoint or older tools that list WMV as supported.

  • Client format requests

    Meet specs that ask for WMV instead of MP4 or WebM.

  • Archive handoff

    Produce a WMV copy while keeping the original MP4 master.

Frequently Asked Questions

Quick answers about this tool—open a question to read more.