MP4 to WMV Converter
Convert MP4 to WMV in your browser. Free, no signup. Conversion files are not uploaded to Format Convertly servers. Learn the formats, then convert when your workflow needs WMV.
Choose a file or drag and drop
Drop your MP4 file here or
Choose file · Drag & drop · Public file link
- Processed on your device
- No conversion file stored on our servers
- Maximum file size: 100 MB
Conversion runs in your browser. Files are not uploaded to Format Convertly servers.
Processed on your device
No conversion file stored on our servers
Conversion Settings
Customize the output to match your needs.
Convert Quality
92%Output
Output options for this format are applied automatically during browser conversion. Drop your file above to begin.
Advanced settings
Additional Options
Quality or bitrate forces a re-encode. Width/FPS apply only when creating GIF or animated WebP.
How to Convert MP4 to WMV
Add your MP4
Drop a MP4 file into the browser panel. Nothing is sent to a remote queue.
Confirm settings
Review optional quality/size settings, then confirm WMV as the output.
Download WMV
Convert locally and download the WMV file when processing finishes.
Why Convert MP4 to WMV?
Private by design
MP4 → WMV runs in your browser. Files are not uploaded to a remote conversion queue.
Ready for the next step
Convert when a site, editor, or teammate expects WMV instead of MP4.
Practical quality
WMV: lossy (Windows Media codecs). Lossy targets trade size for speed — preview when it matters.
Wide compatibility
MP4 is commonly used for Social uploads and Website video.
MP4 vs WMV
A quick side-by-side before you convert — deeper comparison lives on the full guide.
| Feature | MP4 | WMV |
|---|---|---|
| Kind | multimedia container | video container |
| Compression | lossy (codec-dependent) | lossy (Windows Media codecs) |
| Lossy / lossless | Typically lossy | Typically lossy |
| Transparency | Not supported / N/A | Not supported / N/A |
| Best for | Social uploads; Website video | Legacy corporate video libraries; Older Windows screen recordings |
| Typical size | Large vs audio; efficient vs uncompressed video | Moderate; usually larger than a well-encoded MP4 for the same quality |
| Browser / web support | Excellent HTML5 video support | Not reliable in HTML5 — convert to MP4 or WebM |
| Compatibility | The default video container for phones, social platforms, smart TVs, and HTML5 players — safest modern delivery choice | Best on legacy Windows; Mac, iOS, and web viewers usually need an MP4 derivative for reliable playback |
Choose MP4 when…
- Social uploads
- Website video
- Phone playback
- Client delivery from editors
Choose WMV when…
- Legacy corporate video libraries
- Older Windows screen recordings
- Archives being modernized
- Internal training conversions
What happens to video quality?
WMV compatibility: Best on legacy Windows; Mac, iOS, and web viewers usually need an MP4 derivative for reliable playback
Tip
Converting from MP4 cannot restore detail already removed by lossy compression.
Does MP4 to WMV reduce quality?
WMV is typically lossy (lossy (Windows Media codecs)). Use a higher bitrate when fidelity matters, and keep the MP4 master for archival.
WMV format guide →Should I keep the original MP4?
Yes when you may need to re-encode later. MP4: MP4 is the safest video delivery format for phones, web, and social platforms. Shoot or edit in whatever your camera prefers, then provide an MP4 derivative for sharing.
MP4 format guide →MP4 · WMV
Related converters MP4
Related converters WMV
Frequently Asked Questions
More on quality loss: conversion quality guides · problem-solution guides
Does converting MP4 to WMV reduce quality?
It can — both sides are typically lossy. A careful encode may look similar; repeated re-encodes cause generational loss. Prefer converting once from the best master you have.
Can you recover quality after converting?
Not from a lossy output alone. Return to the original master (or a better source). Converting to a lossless format does not resurrect discarded detail.
What is generational loss?
Damage that stacks when you decode and lossy-encode the same file over and over (for example JPG→edit→JPG). Edit from masters and export delivery formats once.
Where can I learn more about conversion quality?
Browse Format Convertly’s Quality guides for topics like whether conversion reduces quality, JPG↔PNG myths, WebP/MP3/MP4 tradeoffs, recovery limits, and generational loss — each links to the right converter.
What is a MP4 file?
MP4 is a ubiquitous multimedia container usually holding H.264/H.265 video and AAC audio. MP4 is the safest video delivery format for phones, web, and social platforms. Shoot or edit in whatever your camera prefers, then provide an MP4 derivative for sharing.
Is MP4 lossy or lossless?
MP4 is typically lossy (lossy (codec-dependent)). That keeps files small but means discarded detail cannot be restored later.
What is a WMV file?
WMV is Windows Media Video — a Microsoft-era video format often in ASF containers. WMV shows up in older corporate training libraries and Windows recordings. Convert to MP4 so Mac, phone, and web viewers do not need legacy codecs.
Is MP4 to WMV private?
Yes. The file is processed locally in your browser and is not uploaded to Format Convertly servers.
Ready to Convert Your Files?
MP4 to WMV privately in your browser.