Best free mkv to mp4 converter that works on windows 11?

There's a handy trick involving the Windows 11 Photos App, specifically the Video Editor feature. This method acts as a simple, free MKV to MP4 converter without needing third-party software. Here’s how you can leverage the Windows 11 Photos App to convert MKV files to MP4, which can help in speeding up video processing tasks or freeing up space:

1.Open the Photos App:
   Click on the Start menu, type Photos, and open the Photos app.

2.Create a New Video Project:
   In the Photos app, click on the Video Editor tab or select New Video Project.

3.Add Your MKV Video:
   Click New Video Project and give it a name.
   Then, click Add to import your MKV video file.

4.Drag the MKV Video to the Timeline:
   Once imported, drag the MKV video into the project timeline.

5.Export the Video as MP4:
   When you're ready, click on Finish Video.
   In the export options, choose the desired video quality.
   Click Export and save the video as an MP4 file.

Note: This process essentially re-encodes the MKV video into MP4 format. While it's not a dedicated MKV to MP4 converter, it’s a free, built-in method to perform MKV to MP4 conversion on Windows 11.