What is MKV file?: The Matroska intends to be the standard multimedia container formats and Matroska Multimedia Container can hold a sum of video, audio, picture or subtitle tracks inside a single file. It aims to store common multimedia content, like movies or TV shows. Matroska file types are *.MKV for video (and audio) and *.MKA for audio-only file.
FLV to MKV Converter for Mac is an all-in-one FLV file converter. It can convert FLV YouTube file to any other format including MKV files. It’s also an easy-to-use converter program and highly recommended by the HD fans.
With this FLV to MKV Converter for Mac, you will never need to worry about how to change video format from FLV to MKV file, as this YouTube to MKV converter tool is so powerful and reliable by providing both excellent quality and speed. If you are not satisfied with other simple converter app, then it’s time to try this YouTube Downloader for Mac right now.
And guiding by the detailed instruction article, you can expect to experience an amazing fastest conversion process with best output quality. Ok, see below step by step guide and enjoy the life.
Step-by-step guide on how to change video format from FLV to MKV file.
Tips: This FLV to MKV converter not only can change video format but also free download the videos from YouTube and Facebook, Metacafe, Vimeo and other video sharing websites in batch.
Free download & install FLV to MKV Converter, the interface will be like the following shows:
Part 1: Free download the YouTube video via this YouTube to MKV converter.
See above image, you will find a download button appeared on the top right corner of the video, so you can just press the “Download Button” to free download the video. And you can also copy the URL of the videosand click the “Paste URL Button” on the main interface of this Youtube Downloader for Mac.
Part 2: Convert YouTube FLV video to MKV file with YouTube to MKV Converter
After downloading those videos, the downloaded videos will be added to your library immediately, here you can manage your FLV videos and play them with a built-in FLV player by double-clicking the item. And you can just click “Convert” button on the bottom to convert video format. In the pop-up, select the video format “MKV″ you need in the Formats drop-down list. You can also directly choose device name as the output format. The output video settings have been optimized beforehand.
Part 3. You can share the video via Facebook or Twitter directly by this FLV to MKV Converter for Mac
You must have found that Facebook and Twitter share icon are in the Library. Tick the video, click Facebook or Twitter share icon to fill in your account and share videos with the public instantly.











