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How to Convert FLV to MKV

Chances are you'll want to convert FLV files to MKV files. It can be converting several FLVs to a single MKV file to reduce the video size based on quality output. Or simply convert FLV files to MKV files for better view back or preservation. To complete above conversion quickly and easily, Wondershare Video Converter is a great help. With it, you can gain high quality and compatible MKV files based at thunder fast speed. Besides, with its professional editing tools, you can trim video, crop video and adjust video in an easy way. Below comes the detailed guide.

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Suuported OS :
Video Converter (supports Windows 8/7/XP/Vista)
Video Converter for Mac (supports Mac OS X 10.11 (El Capitan), 10.10, 10.9, 10.8, 10.7, 10.6).
Two versions share the same feature, below guide takes windows screenshots.

Step 1: Import FLV files to the FLV to MKV converter

Import local video files by clicking "File">"Add Files" button or by simple Drag-and-Drop.
After you import the videos, they will show in the left windows as thumbnails. If you want to merge into one file, just check the box "Merge all videos into one file" at the bottom of this window.

convert WMV to MKV

Step 2: Choose the output format and specify output folder

1) Set output format: click the format icon in the "Output Format" pane to open the drop-down format list, and then select "Format">"Video"> "MKV". For HD quality, you can choose "Format">"HD" > "HD MKV", but the file size will be a little larger.

2) Set output folder: click the three dots beside Output and then choose your destination folder. Also, you can leave it as defaulted.

WMV to MKV converter

Step 3: Enhance your videos (optional)

Besides powerful conversion ability, this video converter also provides common editing tools. You can trim/crop/rotate video, add watermarks, adjust video effects, etc. to touch up your movie instantly. Click "Edit" in each video item bar and then select your options.

convert WMV to MKV

Step 4: Start FLV to MKV conversion

Click Convert button, and let this video converter do the rest. It will complete the conversion in a few minutes or half an hour, depends on your total file size.You can let it run in the background,  so you can do other jobs before the conversion finished.

That's it! If you're combining a series of videos recording a pop star, you're mostly likely creating an Album. Cheers!

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