Convert M4V to WMV — Free Online Converter
Convert MPEG-4 Video (Apple) (.m4v) to Windows Media Video (.wmv) online for free. Fast, secure video conversion with no watermarks or registration....
200万以上のファイル変換
数千人のユーザーに信頼されています
安全な転送
HTTPS暗号化アップロード
プライバシー優先
処理後にファイルを自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
Upload your .m4v file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .wmv file when it's ready.
About M4V to WMV Conversion
M4V is Apple's MPEG-4 video format with optional FairPlay DRM, using H.264 and AAC codecs, while WMV (Windows Media Video) is Microsoft's proprietary video format using the Windows Media Video codec (variants 7, 8, and 9/VC-1). WMV was the dominant Windows video format through the 2000s and remains relevant for legacy Windows systems, PowerPoint presentations, and certain enterprise media workflows. Converting M4V to WMV bridges the Apple-to-Windows divide.
Why Convert M4V to WMV?
WMV is required by certain Windows-specific workflows. Microsoft PowerPoint (particularly older versions) embeds WMV more reliably than MP4. Some corporate intranet video systems, Windows-based digital signage solutions, and legacy media asset management systems still require WMV input. Additionally, WMV files can carry DRM through Windows Media DRM, which is relevant for enterprise content protection on Windows platforms.
Common Use Cases
- Embedding Apple video content in PowerPoint presentations on Windows
- Uploading to corporate intranet systems that only accept WMV format
- Converting M4V files for Windows-based digital signage systems
- Preparing video for legacy Windows Media Center or Xbox 360 media streaming
- Creating WMV files for enterprise media asset management systems
How It Works
FFmpeg transcodes the M4V's H.264 video to WMV (using the msmpeg4v3 or wmv2 codec for compatibility, or wmv3/VC-1 for higher quality) and the AAC audio to WMA. The output is wrapped in ASF (Advanced Systems Format) container with a .wmv extension. VC-1 (WMV9) offers the best quality among WMV variants, approaching H.264 efficiency for standard-definition content but falling behind at HD resolutions.
Quality & Performance
VC-1/WMV9 at equivalent bitrates produces quality roughly 80-90% of H.264 — slightly softer with more blocking artifacts in complex scenes. At SD resolutions (720x480), the difference is minimal. At 1080p, H.264 has a clear advantage. Typical WMV bitrates are 2-5 Mbps for acceptable quality.
Device Compatibility
| Device | M4V | WMV |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Use VC-1 (WMV9) codec for the best quality among WMV options
- 2For PowerPoint embedding, encode at 720p with 2-3 Mbps for the best balance of quality and file size
- 3If targeting very old Windows systems (XP era), use msmpeg4v3 or wmv2 for guaranteed compatibility
- 4WMV at 1080p requires high bitrates (5+ Mbps) to look acceptable — consider 720p instead for smaller files
- 5Test the WMV file in the target application (PowerPoint, media server, etc.) before batch-converting
Related Conversions
M4V to WMV conversion is essential for Windows-specific video workflows. While WMV is less efficient than H.264, it remains the required format for PowerPoint embedding, legacy Windows systems, and enterprise media management.