How to convert FLV videos to MKV on Mac?
FLV to MKV on Mac OS X: Convert Video from FLV (Flash Video) to MKV (Matroska Video) with Mac MKV video Converter, FLV2MKV converter for Mac, conversion
What are FLV videos?
Flash Video (FLV) is the name of a file format used to deliver video over the Internet using Adobe Flash Player and has extension FLV. The most recent public release of Flash Player supports H.264 video and HE-AAC audio. Flash Video content may also be embedded within SWF files. Notable users of the Flash Video format include YouTube, Google Video, Yahoo! Video, Reuters.com and many other news providers.
How to convert FLV to MKV on Mac OS X?
Step 1, Download and install FLV to MKV video converter
You can download it for free here:
To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want).
Step 2, Add FLV video filesClick the "Add Files" button to add FLV video files to the program. This FLV to MKV video converter for Mac supports drag and dropping. It also supports batch conversion, so you can import and convert several multimedia files at a time.

Step 3, Select output format
Use the “format” on the bottom of the window to control the output format. Click on the toggle to the right of the "Format" label to expand the panel. Select "MKV (Matroska )Video" as the output format.

Step 4, Change MKV Video and audio Settings

Click on the “Setting” button to expand “Setting” panel.
You can change the Resolution, Encoder, Bit rate and Frame rate of the MKV video and Sample Rate, Channels, Encoder and Bit Rate of the MKV Audio. The size of the MKV file depends a lot on these settings.
Step 5, Select output directory
Expand the "Output" panel. Use the "Browse" button to select an output directory.
Step 6, Click “Convert” to convert FLV to MKV on Mac.
