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MKV Converter

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    Convert MKV file to AVI, DivX, XviD, MPG, MP4, WMV, FLV, 3GP, VOB, etc.

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    Split large MKV files, and merge multi-MKV files into one file.

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    Utilize all cores to speed up encoding process - 50% faster than before

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    Select wanted audio/video track and subtitles stream to be preserved in the generated files.

Version: 2.3.1
Size: 35.9 MB
Supported OS: 2000/XP/Vista/Windows 7
For Mac Users:

MKV Converter for Mac

The product is included in:

Blu-ray Video Converter Ultimate
Video Converter +BD/DVD Ripper

System Requirements

Aunsoft MKV Converter will run on any Windows system that meet the minimum requirements specified here. Choose the recommended requirements if you wish to utilize MKV Converter at the best potential. 

  • OS: Microsoft Windows XP (SP2 or later), Windows Vista, Windows 7.
  • CPU: 1.8MHz Intel/AMD Dual-core CPU or above. 2.6MHz Intel/AMD Dual-core CPU or above or CUDA-enabled graphics is recommended.
  • RAM: 1GB RAM (2GB or above recommended).
  • Free Hard Disk: 200MB space for installation.
  • Monitor Resolution: 1024x768 pixels or above.
Version History

Version 2.3.1      Sep 28, 2014

1. Add profiles for iPhone 6, iPhone 6 Plus and Samsung Galaxy Note 4
2. fix some bugs

Version 2.1.0.4999      July 22, 2013

1. Support adding SRT, ASS, and SSA subtitle files
2. Support TrueHD 6.1 and TrueHD 7.1 decoding
3. Other interface modification and bugs fixing

Version 2.0.0.4206     Oct. 11, 2012
1. Added audio fade in/ fade out feature.
2. Changed Apple TV .mp4 profiles to .m4v.
3. Include 18 new profiles for Android and Windows 8 tablets.
4. Added Apply to All option to Crop feature. 
5. Added optional video split feature to certain Android templates to fit the extended memory SD card. 
6. Fixed some bugs.

Version 1.3.6.3571     Mar. 29, 2012
1. Set iPad Video H.264(*.mp4) as default profile. 
2. Add 1080p MP4 preset profile for Apple TV
3. Add Sony PS Vita Video(*.mp4) preset format for PS Vita users.
4. Adjust bit rates options for the profile directory: Avid Media Composer.
5. Modify 5000kbps as default bitrates, 24fps as default frame rate under both Apple TV 1080p and iPad 3 (New iPad) Full HD profiles.
6. Fix some bugs.

Version 1.3.5.3564         Mar. 22, 2012 

1. Added the GPU acceleration technology of AMD App Acceleration.
2. Added the language option of German. 
3. Added the ability to split video file in count, time length and size.
4. Added new output profiles for the new iPad (iPad3), iPhone 4S, Asus Transformer Prime, Acer Iconia Tab A100/101/A200/A500/A700, Amazon Kindle Fire, Archos 101 Tablet, Coby Kyros and many more Android devices.
5. Optimized the profile settings for Motorola Xoom.
6. Fixed the bug of incomplete conversion (generated file is shorter than the original). 
7. Fixed the bug of "unable to keep original aspect ratio" in output. 
8. Improved the conversion speed of H.264 outputs.
9. Added the "Customize Format List" option under Tools menu.
10. Fixed the video/audio out-sync problem in some cases. 
11. Added the conversion library option under the Options --> Library tab.

Version 1.3.4.3273         Jan. 13, 2012 

1. Modify the tip words for conversion
2. Fix the issue in inputting Crop value in Edit Window
3. Fix non-English user name registration problem
4. More stable in audio conversion and audio trimming
5. Some words modifications in multi-language switching
6. Add Short-cut Key for trim editing, "Space" key for play and pause,"[" key for trim start and "]" key for trim end
7. Optimize and beautify the main interface 
8. Fix the issue in setting output volume

Version 1.3.3.3139         Dec.20, 2011 

1. Added format preset for HTC Flyer Tablet. 
2. Optimized the font color of user interface. 
3. Set iPad 2 Video (*.mp4) as default for iPad 2 output.
4. Added 25fps frame rate option for Apple TV H.264 1280x720(*.mp4) profile.
5. Added 96khz sample rate option for WAV format beneath Common Audio option. 
6. Fixed some bugs.

Version 1.3.2.2902         Nov. 21, 2011 

1. Optimized ‘Crop’ function to be more user-friendly. Added ‘Original’, ‘4:3’, ‘16:9’ and ‘16:10’ as optional aspect ratios. 
2. Added Xvid video profile “PS3 Video (AC3 5.1) (*.avi)” as preset for Sony PS3. 
3. Fixed some bugs.

Version 1.3.1.2697          Oct. 25, 2011 
1. Added preset for WebM Video Format (*. webm). 
2. Added volume control for preview window. 
3. Optimized language option with flag logo. 
4. Fixed some bugs. 
5. Optimized Trim function to be more user-friendly. The accurate time point will be displayed when cursor hovering over the process bar. 
6. Updated to support selecting/customizing CPU cores to do conversion, and specifying the number of maximum simultaneous running processes.

Version 1.3.0          Sep 27, 2011

Fixed some bugs and optimized the overall performance.

Version 1.2.3          Sep 13, 2011

1. Added the profile option of Avid DNxHD.

2. Added the option of Decoder and the enhanced Intel SpeedStep Technology.

3. Added some profile options of new supported devices.

4. Changed the keyboard shortcut of pause key.

5. Added the support of the checking and switchover of video, audio and subtitle track.

6. Fixed some bugs.

Version 1.1          June 9, 2011

1. Added iPad 2 output profile to iPad group.

2. Optimize UI with adjustable preview window.

3. Improved the free disk space display for the output.

4. Add decoding and encoding acceleration with NVIDIA CUDA.

Version 1.0.1.2185          August 3, 2010
1. Added Motorola Droid (X) H.264 Video (*.mp4) as output format for Droid X users, the maximum resolution is up to 854*480. This Droid X H.264 MP4 format is recommended to use. 
2. Rectified output format Motorola Droid (X) MPEG-4 Video (*.mp4) by changing the maximum resolution to 800*480.
3. Rectified frame rate from 23.97fps to 23.976fps in output profile and optimizied the video/audio synchronization.

Version 1.0.1.2147          July 19, 2010 
1. Added output profile for Android Phones like Motorola Droid(*.mp4), HTC Phones(*,mp4), Nexus One(*.mp4), etc.
2. The Deinterlacing checkbox was checked by default when the interlaced videos had been imported.
3. Fixed some bugs.

Version 1.0.1.2056          June 28, 2010
1. Added an optimized output format for the portable devices and marked with five-pointed star symbol.
2. The playing video could be applied bold in the filelist.
3. The video parameters can be showed on the preview srceen when you clicked the Arrow mark.
4. You were able to check output information in Profile window after you selected an output format and clicked Settings button. 
5. Fixed some bugs.

Version 1.0.1.2006          June 19, 2010
Added output profile of iPhone 4 MPEG-4 640x480(*.mp4), iPhone 4 H.264 720P(*.mp4) for iPhone 4 users.

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