There is not much video editing software that supports MKV. Popular video editing software like Windows Movie Maker, iMovie, Adobe Premiere, and Final Cut Pro are all not in the list but hopefully, we still have Emicsoft MKV Converter and Leawo Video Converter that are capable of converting and editing MKV files.

Part 1: Edit MKV video with Emicsoft MKV Converter 

To edit MKV files, Emicsoft MKV Converter can simply edit MKV files to optimize the output video. Besides editing MKV easily, this program is also a powerful MKV video converter, which can easily convert MKV files to other video/audio formats like AVI, H.264/MPEG-4 AVC, MOV, M4V, H.264 AVI, DivX, XviD, WMV, MPEG-2, 3GP, SWF, VOB, etc. with super fast speed and high quality.
To make sure you can use this program to edit MKV file freely, download and install it to your PC. Then go on to edit the files by doing so.

Step 1: Run the program.

Step 2: Click Add File on the front toolbar to import the source MKV files.

Add File

Step 3: From the toolbar, select an edit feature and click it to enter the Video Edit page.

Video Edit