Forum Discussion
The best free mp4 to mp3 converter that still works in 2025?
There are a couple of mp4 videos recorded from our camera and the videos are pretty big (~2GB each one.) Unfortunately, the built-in windows media player does not have an export feature to mp3. Does ...
Using COM Object (Windows Media Player).
This method is limited and outdated, but for scripting purposes. It can be worked as a safe mp4 to mp3 converter for Windows OS.
$wmp = New-Object -ComObject WMPlayer.OCX.7
$media = $wmp.newMedia("C:\Videos\input.mp4")
$media.duration # Example of accessing metadataHowever, Windows Media Player's COM object cannot export or convert formats — it can only read/play them. It's not suitable for actual conversion tasks.
If you're looking for a scriptable and efficient way to convert MP4 to MP3 on Windows using PowerShell, the best approach is to combine PowerShell with FFbmpeg.
✅ Very fast, supports batch conversion, high-quality output.
⚠️ Requires basic command-line knowledge.
While it's not fully native, it gives you complete control, supports batch processing, and avoids manual work while keeping your workflow local and secure.