How to Freely Convert MKV to FLV for Sharing Online

by Christine Smith • Jul 23,2019 • Proven solutions


1. Play MKV on Device+
  1. 1.1 Top MKV Player
  2. 1.2 Play MKV on Mac
  3. 1.3 Play MKV on Apple TV
  4. 1.4 Play MKV on Samsung TV
  5. 1.5 Play MKV on Sony TV
  6. 1.6 Play MKV on LG TV
  7. 1.7 Play MKV on PS3
  8. 1.8 Play MKV on Xbox One
  9. 1.9 Play MKV on Xbox360
  10. 1.10 Play MKV to iPhone
  11. 1.11 Play MKV to iPad
  12. 1.12 Play MKV on iPod
  13. 1.13 Play MKV on Android Phone
  14. 1.14 Play MKV in VLC
  15. 1.15 Play MKV in Windows Media Player
  16. 1.16 MKV Playback Issues in VLC
2. Convert MKV to Other Format+
  1. 2.1 Convert MKV to MP4
  2. 2.2 Convert MKV to MP4 on Mac
  3. 2.3 Convert MKV to MP4 Online
  4. 2.4 Convert MKV to MP3
  5. 2.5 Convert MKV to Audio
  6. 2.6 Convert MKV to WMV
  7. 2.7 Convert MKV to M4V
  8. 2.8 Convert MKV to AVI
  9. 2.9 Convert MKV to AVI Online
  10. 2.10 Convert MKV to FLV
  11. 2.11 Convert MKV to DVD
  12. 2.12 Convert MKV to MOV
  13. 2.13 Convert MKV to iTunes
  14. 2.14 MKV to MOV Converter Online
  15. 2.15 Convert MKV to VOB
  16. 2.16 Convert MKV to DivX
  17. 2.17 Convert MKV to MPEG
  18. 2.18 Convert MKV to MPEG2
  19. 2.19 Convert MKV to MPEG4
  20. 2.20 Convert MKV to XviD
  21. 2.21 Convert MKV to 3GP
  22. 2.22 Convert MKV to M2TS
  23. 2.23 Convert MKV to AVCHD
  24. 2.24 Convert MKV to H264
  25. 2.25 Convert MKV to TS
  26. 2.26 Convert MKV to VCD
  27. 2.27 Convert MKV to AC3
  28. 2.28 Burn MKV to DVD
  29. 2.29 Burn MKV to Blu-ray
  30. 2.30 Convert MKV to SWF
3. Convert Other Format to MKV+
  1. 3.1 Convert MP4 to MKV
  2. 3.2 Convert MP4 to MKV on Mac
  3. 3.3 Convert MP4 to MKV Online
  4. 3.4 Convert M4V to MKV
  5. 3.5 Convert WMV to MKV
  6. 3.6 Convert MOV to MKV
  7. 3.7 Convert DVD to MKV
  8. 3.8 Convert M2TS to MKV
  9. 3.9 Convert AVI to MKV
  10. 3.10 Convert Bluray to MKV
  11. 3.11 Convert FLV to MKV
  12. 3.12 Convert AVCHD to MKV
  13. 3.13 Convert OGM to MKV
  14. 3.14 Convert MTS to MKV
  15. 3.15 Convert WTV to MKV
  16. 3.16 Convert VOB to MKV
  17. 3.17 Convert RMVB to MKV
  18. 3.18 YouTube to MKV
4. Edit MKV & Other Tips+
  1. 4.1 Extract Subtitles from MKV
  2. 4.2 Add Substitles to MKV
  3. 4.3 Add SRT to MKV
  4. 4.4 Compress MKV Video
  5. 4.5 Reduce MKV File Size
  6. 4.6 Cut MKV Files
  7. 4.7 Edit MKV Metadata
  8. 4.8 MKV No Sound
  9. 4.9 MKV Video Player for Android
  10. 4.10 MKV Converter for Mac
  11. 4.11 Free MKV Converter
  12. 4.12 MKV Player Mac
  13. 4.13 2D to 3D MKV Converter
  14. 4.14 Remux MKV
  15. 4.15 MKV Encoder
  16. 4.16 Convert MKV to FCP Mac
  17. 4.17 Stream MKV to TV with Chromecast
  18. 4.18 Import MKV to iMovie
  19. 4.19 Windows DVD Maker MKV
  20. 4.20 Convert MKV to MP4 with HandBrake Alternative

We live in an ever-changing world where technology finds a way to creep into everything do. One of the best examples is social media or video sharing sites. It takes us not more than few seconds to record something and share that on a platform for the world to see. If you have an idea about this, you would be aware of the fact that FLV or flash format is the best possible format for videos to share on video websites like YouTube, Vimeo, etc. FLV videos are small, compatible and best supported on any platform and can also be interactive. So, it is always best and easier to convert your favorite video from MKV to FLV format before you share that online.

Part 1. Top 2 Free MKV to FLV Converter

There are various converters which can be used to convert MKV format to FLV format for sharing video online. However, what’s important is to know which one holds the capacity to serve the requirement better.

1. Free Online Video Converter

This is one of the online methods to convert MKV videos to FLV. Since this works online, you have to go to the online portal and upload the MKV video. You can even add URL to gather the video file from or import from Dropbox or Google drive. After inserting the video, there are some optional settings as well where you can make changes to different parameters and then start converting the file.

2. Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

Contrary to Online Video Converter, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) works offline through a software application which can be installed and run on both Mac OS and Windows. So, just import the MKV video to the software application and start converting to FLV. This supports multiple formats and even has an inbuilt player which plays videos.

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) - Convert MKV to FLV for Sharing Online

  • Directly convert MP4 to VOB (DVD-Video ), AVI, MKV, MOV and 1000+ other formats.
  • Burn MP4 to DVD disk to play with your DVD player at 30X fastest speed.
  • Optimized conversion presets for iDVD, iMovie, Final.
  • Edit videos with the advanced video editing functions like trimming, cropping, adding watermark, subtitles etc.
  • Download videos from YouTube and other 1000+ video sharing sites.
  • Supported OS: Windows NT4/2000/2003/XP/Vista/7/8, and Windows 10 (32 bit & 64 bit), Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
Security Verified. 5,481,347 people have downloaded it.

Part 2. Free Online Video Converter vs. Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

While Online Video Converter still does the job, a serious disadvantage is that it is online. Unlike Wondershare Video Converter, Online Video Converter requires seamless internet connection for starting from importing the MKV file to getting the resultant FLV video. Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on the other hand is a software application which requires no internet after it is installed and runs locally and therefore takes less time in operation. Moreover, in Wondershare UniConverter (originally Wondershare Video Converter Ultimate), you have options like YouTube video, Facebook video or Vimeo to convert the MKV video file to, based on where the video after conversion is intended to go. The user friendly interface along with all the features makes Wondershare UniConverter (originally Wondershare Video Converter Ultimate) the most suitable video converter to go for.

Part 3. How to Quickly Convert MKV to FLV Format with Ease

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is a great tool to convert MKV to FLV easily. Here’s how you can use the software for MKV to FLV conversion.

Video Tutorial: Wondershare UniConverter (originally Wondershare Video Converter Ultimate) - Convert MKV to FLV

Step 1 Download Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

First of all, after installing Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on the computer, launch it by double-clicking the application icon. The interface of the application will be as shown below.

convert mkv to flv - install

Step 2 Import Desired MKV Video File

After installing the application, it is time now to import the MKV video files to be converted to FLV. You can either drag the desired file and drop that into the interface or use the Add Files button.

convert mkv to flv - add files

Step 3 Choose Output Format and Specify it to FLV

After adding the MKV video, you are required to specify the output format for conversion. For any video to be shared online, the format has to be FLV. So, on the right side pane under Convert all files to section, click on the drop down button as highlighted in the picture below and select Video. Now click on FLV as the output format.

convert mkv to flv - choose format

Step 4 Specify Destination Folder for Converted MKV Videos

Once you are done with all the settings, go ahead and choose the output folder for converted videos to get stored in. Once you specify the output folder or destination folder here, the converted videos will directly get stored in the specified folder. By default, there would be a path pointing to a specific folder. Change that and specify a new output folder if required, by clicking on Preferences button as highlighted in the picture below.

convert mkv to flv - location

Step 5 Start MKV to FLV Conversion

This is the final step of the process where you give command to start the conversion process. To start, click on Convert button. The process will take some time to finish based on the size of the video file under conversion.

convert mkv to flv - conversion

After the file is converted, it is ready to be shared online. You will get notification after the program finishes converting the video file.

Hence these were the easy to use steps for converting the files hassle free. Hope it helps you with online sharing as well.

Christine Smith

chief Editor

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