FLV to MKV Converter is highly recommended by those HD fans who want to convert YouTube video to MKV. With FLV to MKV Converter you will never get worried about converting FLV to MKV, because this conversion tool is so powerful that just by clicking a few buttons, users can convert FLV to MKV as simple as 123.

Besides, FLV to MKV Converter also acts as a professional editor, with it, users can adjust video effects (brightness, contrast and saturation), trim video segments as well as crop video playing area. The following guide will show you how to convert FLV to MKV.

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After install FLV to MKV Converter, the interface will be like the following shows:

Step-by-step guide on how to Convert FLV to MKV.

Step1. Add FLV files. Click "add file" button, multiple FLV files are allowed to be inported into FLV to MKV Converter for bach conversion.

Note: FLV to MKV Converter also allows you to preview video in view panel, users can also take some pictures by clicking snapshot button.

Step2.Set output settings. You have to choose "MKV" as output format in the drop-down menu of profile, then set an output folder by clicking "browse" button. And If you are an advanced user, FLV to MKV Converter allows you to reset frame rate, video bitrate, audio bitrate, etc.

Step3.Edit video effects(optional). Here you comes to the edit step, with the function buttons on top of FLV to MKV Converter, you can adjust video effects (brightness, contrast, and saturation), trim video segments as well as crop video playing area. You can do all of this by comparing the original preview window and output preview window.

Step4. Done. After all the settings are done, you can start to convert FLV to MKV by clicking "start" button, the conversion will be finished a few minutes later.

OK. We have finished converting FLV to MKV, just so simple a program, you can enjoy MKV files on your portable devices. I am sure you will like FLV to MKV Converter.