MKV to FLV Converter for PC
  • Quickly convert MKV to FLV and over 1000 media formats
  • Convert HD videos 30x faster without loss quality.
  • Download MKV/FLV files from over 1000+ video sharing sites
  • Other features; convert, edit, record and compress HD files, DVD and others

How bad does it feel when you find out those excellent HD MKV video collections you have aren’t compatible with your portable players or devices? You’ve got all reasons to be mad, but not any more as software engineers have made things easy by developing video converters capable of converting this clips to formats compatible with your device. There are tons of these programs available online, however, just just a few are perfect for you. Here in this article, we’ll check out check out some of them which will come in form of list- top 10 MKV to FLV converter for PC (Online/Desktop). 

Part 1. Top 5 Free MKV to FLV Converter for Mac/Windows OS

Check out the list below for the top 5 free MKV to FLV video converter for Mac and Windows systems: 

1. Aicoosoft Video Converter

Aicoosoft Video Converter is a multipurpose program designed to ease your video editing and conversion problems. It’s among those handy software in 2021. It has got a simple user interface, built in drag and drop feature, over 100 background effects and filters to help you create stunning footage. Due to the built in multi core processor, Aicoosoft Video Converter can convert videos of any output format 30X faster than any program you will find online. 


  • Possesses built in multi-core processor and GPU accelerator which enhances the speed of conversion to about 30X 
  • Supports over 1000+ video/audio formats which end users can select from to convert their videos
  • Capable of exporting audios from MTS videos and saving them as MP3, WAV, MA4, and more 
  • Converts and compresses MKV, FLV, HD videos, and others with high quality  
  • Supports the downloading of videos of any format from 1000+ video sharing platforms

Step by Step Guide to Convert MKV to FLV Using the #1 Free Video Converter, Aicoosoft Video Converter

Follow the detailed step by step guide below to convert MKV files to FLV with Aicoosoft Video Converter:


Download, install and launch Aicoosoft Video Converter on PC. Click on the Add Files tab to insert your desired MKV file, or better yet, you can use the drag and drop feature to add your files. 


Once you’ve added your desired MKV file, choose an output format which it will be converted. It’s the FLV format we are concerned about here, so that should be you selected output format. 


After choosing an output format, locate the Convert button at the lower right corner of the window, click on it and conversion starts. 

2. HandBrake

This media transcoding program is one of the most popular programs created for the specifically for the conversion of video files from one format to another. HandBrake supports 200+ video file formats such as video, audio, and many others. You can use it to convert MKV to FLV within minutes.


  • It’s open source and absolutely free to use
  • Over 200 file formats are supported
  • Supports the conversion and download of videos from social media platforms

Step by Step Guide to Convert MKV to FLV Using HandBrake

Use the guide below to convert your MKV files to FLV with HandBrake video converter.


Launch HandBrake video converter on your PC, click on the Source button and then hit Open File to add your desired MKV file. 


Tap in Browse to set destination for the converted file. After that, select FLV as your output format, then click on Start to begin the conversion. 

3. Ffmpeg

Ffmpeg is one of the most widely used video converters designed for both amateurs and professionals. The program lets you convert, and extract audios, and videos, and also create GIFs. It’s completely free to use.


  • User friendly interface
  • Can be used to convert MKV to FLV and vice versa with other media formats
  • No premium subscription required

Step by Step Guide to Convert MKV to FLV using Ffmpeg

Follow the guide below to convert MKV files to FLV using Ffmpeg:


Download and install Ffmpeg on your PC, select the MKV video file which you will like to get converted, then right click. 


Click on the command Open command window here and then type in the command below 

ffmpeg - i video.mkv acodec copy audio.flv." (video's audio track is already an MP3)

"ffmpeg - i video.mkv -b:a 192K vn audio.flv." (video's audio track is something other than MP3)

  • In place of video.mkv, write the full path of your MKV file
  • In place of video.flv, write the full path where you want to save your FLV file

4. Online Video Converter

This freemium video converting software is a web based program is handy, fast and secured. It’s used solely for the conversion of video files from one output format to another. Online Video Converter supports video formats such as MOV, MKV, FLV and many others. The program lets you download clips directly from social media channels like YouTube, Facebook, Instagram, etc. Except for the need of fast and stable internet connection, online video converter has.


  • No premium charges required to enjoy its services 
  • Output formats such as MOV, MKV, FLV, MP3 and more are supported on the program 
  • Utmost security which prevents third parties from accessing your files 

Step by Step Guide to Convert MKV to FLV Using Online Video Converter

Apply the step by step guide below to convert MKV to FLV using Online Video Converter:


Copy and paste the YouTube video URL in the space given. Alternatively, you can upload the link from your PC. 


After pasting the link, choose the format you want to convert the video to. Here we are picking FLV as our output format. So this should be your chosen format. 


Tap in the Start button to commence conversion process. And that’s all! Wait for the process to complete, then hit the Download button to export it to your PC hard drive. 

5. Convert2MP3

Here is another free web based video converter designed for converting MKV to FLV without loosing quality. Convert2MP3 supports 150+ file formats which you can convert your video to. 


  • Supports over 200 media formats
  • Compatible with mobile devices, and PC
  • Supports drag and drop feature
  • Intuitive user interface 

Step by Step Guide to Convert MKV to FLV Using Convert2MP3

Take the step by step guide below to convert from MKV to FLV with Convert2MP3:


Enter the video URL for the MKV file you want to convert in the space given. 


Choose and output format to convert the file and then hit the Convert button. Download the converted file once conversion is over. 

Part 2. Frequently Asked Questions

MKV vs FLV: Which is the best? 

Both. Idea formats are similar except for the support for multiple audio tracks on MKV. If that is what you need then you should save your files in MKV format. 

Is FLV compatible with Mac? 

Well, you need an excellent video player to watch FLV video files on your MacOS. Download and install the program on your Mac device, then launch it to view or watch video clips saved in FLV format. 


And that’s all for the top 5 MKV to FLV converter. Which do you intend to use in your next video conversion process? We implore you to pick the Aicoosoft Video Converter as it has all the required features such as built in editor and multi core processor, drag and drop feature and many others.

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