What is WMV and when should I use it?

WMV (Windows Media Video) is a video format developed by Microsoft that uses the VC-1 or WMV3 codec inside an ASF (Advanced Systems Format) container. It is natively supported by Windows Media Player and Microsoft Office applications. Use WMV when delivering video to Windows-centric environments, embedding in Office documents, or working with legacy enterprise systems that do not accept MP4 or MKV.

What is the difference between WMV2 and WMV3?

WMV2 (also called WMV8) is an older codec with broader compatibility across very old Windows systems and devices. WMV3 (also called WMV9 or VC-1) is a more modern and efficient codec that produces better quality at the same bitrate. For most modern uses, WMV3 is recommended. Use WMV2 only when targeting very old Windows XP-era applications or hardware.

Will converting MKV to WMV lose quality?

Yes — WMV is a lossy format and always involves re-encoding, which means some quality loss compared to lossless formats. The degree of quality loss depends on the bitrate you choose. Higher bitrates (e.g. 4000k or more) preserve more quality at the cost of larger file size. For archival use, keeping the original MKV is recommended and only convert to WMV for delivery.

What audio codec should I use for WMV?

The most compatible audio choice for WMV is WMA (Windows Media Audio) using the wmav2 codec. Most applications that play WMV expect WMA audio. Alternatively, you can use MP3 (libmp3lame) which is also widely supported. Re-encoding to AAC inside WMV is less common and may cause playback issues in older Windows Media Player versions.

How do I install FFmpeg?

On Mac, run: brew install ffmpeg. On Windows, run: winget install ffmpeg (or download a pre-built binary from ffmpeg.org). On Ubuntu/Debian Linux, run: sudo apt install ffmpeg. Once installed, the ffmpeg command is available in any terminal or command prompt.

What video bitrate should I choose for WMV?

For standard definition (480p) content, 1000–2000 kb/s is sufficient. For 720p HD content, use 3000–5000 kb/s. For 1080p, use 5000–8000 kb/s or higher. A lower bitrate produces smaller files but more visible compression artifacts. For high-quality delivery, 4000 kb/s at 1080p is a reasonable starting point.

Can I convert multiple MKV files to WMV at once?

Yes. On Linux/Mac, use a shell loop: for f in *.mkv; do ffmpeg -i "$f" -c:v wmv2 -b:v 2000k -c:a wmav2 "${f%.mkv}.wmv"; done. On Windows PowerShell: Get-ChildItem *.mkv | ForEach-Object { ffmpeg -i $_.Name -c:v wmv2 -b:v 2000k -c:a wmav2 ($_.BaseName + ".wmv") }. Use the generated command as your template for each file.

Why does FFmpeg say the WMV codec is not supported?

Some Linux distributions ship a minimal FFmpeg build that excludes proprietary codecs. Try installing the full FFmpeg build: on Ubuntu run sudo apt install ffmpeg from the universe repository, or install from a PPA that includes all codecs. On Windows and Mac, the standard ffmpeg.org build includes WMV codec support by default.

MKV to WMV Converter

Name: MKV to WMV Converter
Availability: InStock
Author: Nham Vu

Generate a ready-to-run FFmpeg command to convert MKV video files to WMV (Windows Media Video) format — choose codec, bitrate, and audio settings, then copy to your terminal.

FFmpeg Command Generator

Configure the options below to generate the exact FFmpeg command for your MKV to WMV conversion.

Input filename

Include the full path if the file is not in your current directory, e.g. ~/Videos/movie.mkv

Output filename

Video codec

WMV3 is recommended for modern use. Use WMV2 for very old Windows XP-era systems.

Video bitrate — 2000 kb/s (higher = better quality, larger file)

500 — low quality 2000 — default 10000 — high quality

Audio handling

Audio bitrate

Generated FFmpeg Command

ffmpeg -i input.mkv -c:v wmv2 -b:v 2000k -c:a wmav2 -b:a 128k output.wmv

Click the command to select all, then copy. Run it in any terminal where FFmpeg is installed.

Command Breakdown

Flag	What it does

MKV vs. WMV — Format Comparison

Understand the key differences before converting

Feature	MKV	WMV
Developer	Open source, Matroska (2002)	Microsoft (1996)
Container	Matroska (.mkv)	ASF — Advanced Systems Format (.wmv)
Video codecs	H.264, H.265, VP9, AV1, and more	WMV2 (WMV8), WMV3 (VC-1 / WMV9)
Audio codecs	Opus, AAC, DTS, AC3, and more	WMA, MP3
Windows support	Requires third-party player (VLC)	Native — Windows Media Player
Browser support	Partial (Chrome only)	None (not supported in browsers)
Office embedding	Not supported	Supported in PowerPoint and Word
Subtitle tracks	Excellent (ASS, SSA, SRT)	Limited support

FFmpeg Installation

One command per platform — free and open source

# macOS (Homebrew)
brew install ffmpeg

# Windows (winget)
winget install ffmpeg

# Ubuntu / Debian
sudo apt install ffmpeg

# Fedora / RHEL
sudo dnf install ffmpeg

Command copied!

Summary

Generate a ready-to-run FFmpeg command to convert MKV video files to WMV (Windows Media Video) format — choose codec, bitrate, and audio settings, then copy to your terminal.

How it works

Enter your MKV input filename in the filename field.
Enter the desired WMV output filename.
Choose the WMV video codec: WMV2 (WMV8) for broad compatibility or WMV3 (WMV9/VC-1) for better quality.
Set the video bitrate appropriate for your quality needs.
Select the audio handling: copy existing audio, re-encode to WMA, or strip audio.
Click "Generate Command" and copy the result to any terminal where FFmpeg is installed.

Use cases

Convert MKV recordings to WMV for playback in Windows Media Player on legacy systems.
Embed video into Microsoft PowerPoint or Word documents which prefer WMV input.
Deliver WMV files to corporate clients or systems that require Microsoft-compatible formats.
Archive video content in WMV format for Windows-based media management systems.
Convert MKV files to WMV for use with older Windows-based video editing software.
Reduce file size by re-encoding MKV content to a lower WMV bitrate for email delivery.
Convert home recordings or captures stored as MKV to WMV for Windows-centric workflows.
Batch-convert MKV library files to WMV using the generated command as a template.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu