Convert MP4 to WMV

Transform your universal video format for web and devices into WMV format. Free, private, and browser-based.

How it works

  1. Upload MP4 Files — Drag and drop your MP4 files into the converter, or click to browse. Common sources: smartphones, screen recordings.
  2. Convert to WMV — The converter processes your files to WMV format entirely in your browser. No files are uploaded to any server — your privacy is guaranteed.
  3. Download Results — Download your converted WMV files instantly. For multiple files, download individually or as a ZIP archive.

Why convert MP4 to WMV

  • Leverage WMV advantages: good compression for its era
  • Overcome MP4 limitations: lossy compression — some quality loss
  • Upload to websites and platforms that require or prefer WMV format
  • WMV is widely supported across image editors, media players, and operating systems

FAQ

Is MP4 to WMV conversion free?
Yes, Fileza.io converts MP4 to WMV completely free with no limits on file size or number of conversions. No hidden fees, no watermarks, and no account required.

Will I lose quality converting MP4 to WMV?
Both MP4 and WMV use lossy compression. Output quality is excellent at high quality settings (85%+) — most people cannot see any difference.

Is it safe to convert MP4 to WMV online?
Absolutely. Unlike most online converters, Fileza.io processes your files entirely in your browser using WebAssembly. Your MP4 files are never uploaded to any server — the conversion runs on your own device, keeping your files 100% private.

Can I convert multiple MP4 files to WMV at once?
Yes, Fileza.io supports batch conversion. Drag and drop multiple MP4 files at once and they will all be converted to WMV simultaneously. Download them individually or as a ZIP archive.

Does MP4 to WMV conversion work on mobile?
Yes, the converter works on any device with a modern web browser — iPhones, iPads, Android phones, and tablets. No app installation required.

Will the converted WMV files be smaller or larger than MP4?
WMV files are generally smaller than MP4 files. The exact reduction depends on your quality settings and the content of your files.

How long does MP4 to WMV conversion take?
Most conversions complete in seconds. The exact time depends on file size and your device performance. Since processing happens locally in your browser, faster devices convert more quickly. Video files may take longer due to re-encoding.