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BD3D2MK3D is a GUI to convert movies from 3D BDs to 3D MKV video files in Full or Half Side by Side, Top & Bottom or Frame sequential format, encoded in h264 with x264 (or in h265 with x265). Since v0.87, BD3D2MK3D can also accept lossless 3D AVC+MVC files created with MakeMKV as input.

Free software
Released:Jan 25,2018
File size:49.3MB
5 votes

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BD3D2MK3D screenshot
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Latest version

1.6 (January 25, 2018)


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Download BD3D2MK3D 1.6  [49.3MB]  [Win]  [Portable]

Download BD3D2MK3D old versions

10 files452.9MB

Supported operating systems



Free software

Version history / Release notes / Changelog

v1.6 (January 25, 2018)
- Added the possibility to move the subtitles only along the X or Y axis only in Subtitle Tools -> Clone Subtitle Positions
- Added a warning in the dialog explaining the various ways to decrypt a commercial 3DBD about the MakeMKV bug with forced subtitles streams extracted from some BDs (notably Avatar 3D)
- Improved the way the Java installation is detected and the message in case of improper installation (due to frequent problems caused by the Java installer!)
- Fix: Wrong palette colors for the conversion of the subtitles to DVD SUB (Bug introduced in v1.5)
- The MKVToolnix exes have NOT been updated and will not be updated any more to the latest version (v20+) as the new versions are not compatible with BD3D2MK3D any more!

View full changelog

All features

Convert any 3D playlist from a properly decoded blu-ray 3D to a standalone Half-side by side or Half-top & bottom (aka Over/Under) 3D MKV file.
Can also accept as input a 3D-MKV file created with MakeMKV (with the option to include the 3D MVC stream).
Can optionally convert to Full-SBS, Full-T&B or Full-Frame Sequential 3D.
Can resize the output to 720p
Can output a 3D stream compatible with 3D-Ready DLP projectors (720p Frame Sequential at 59.94fps).
Can convert the subtitle streams to 3D, using the depth stored in the original BD for each individual subtitles. (The subtitles can also be kept in 2D if you wish.)
Can hardcode (or "burn") a subtitle stream (all or forced captions only) over the video with the right depth for each individual subtitles.
The subtitles can be muxed in the original BD SUP format for an excellent quality or in VobSub (IDX/SUB) format for a better compatibility.
It is even possible, with some manual work and the help of the Tools menu of BD3D2MK3D, to use a subtitle stream coming from another source (such as a SRT downloaded from the internet or a SUP stream from the 2D BD of the same movie) and convert it to 3D with (approximately) the right depth values to mux it within the final MKV or hardcode it to the video. See the mini guide here.
Can extract the regular 5.1 DTS or AC3 cores of the DTS-HD, DTS-HD-MA, E-AC3 and TrueHD audio streams.
Can convert the audio tracks to AC3 or AAC for a better compatibility or a smaller file size.
The chapter points are automatically preserved in the final MKV file.
Can include tags about the movie (movie title, director, producer, actors, summary, comments, etc...)
Can add some seconds of black at the beginning or end of the video so that the user has some time to configure his 3D TV and to turn his active 3D glasses on before the beginning of the movie.
The encoding to h264 is made with x264 (32 or 64-bit) for an excellent image quality, and the user can select the most important encoding settings, such as the encoding mode (CQ, CRF, ABR or 2-pass), the preset, tune, profile and level. It can also specify manually additional options if he wish.
The correct 3D video mode is automatically defined in the h264 video stream (the "frame-packing"), in the header of the MKV video file (the stereoscopy mode), and optionally in the file name, so that most TVs and 3D players can switch automatically to the right 3D mode when the file is played.
The final MKV file is automatically muxed at the end of the encoding, and there is an option to shutdown the computer when everything is finished.
BD3D2MK3D has also some independent tools, notably powerful tools to convert an external subtitle stream to 3D, using the 3D depth values extracted from the original 3DBD, and optionally the subtitle positions cloned from another subtitle file.
And much more...

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5 reviews, Showing 1 to 5 reviews

I am using this program for about 2 years now and it really is great, once you know how it works.
It creates a Side-by-Side or Top-and-Bottom MKV file, where the latter is advised for passive tv's.
It keeps the original 3D subtitles on the original place and its result os splendid (depending on one's settings).

Jan 21, 2018 Version: 1.5 OS: Windows 10 64-bit Ease of use: 9/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

No comments. Rating it only.

Dec 17, 2017 Version: 1.4 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

After a convention of a 3D movie to a 3D MKV file with BD3D2MK3D this software don’t recognize anymore the 3D MKV file created, because there isn’t a SSIF folder or any Information inside the 3D MKV file to be reconized.

The software say's “Its seems that the file is not a MKV file created by MakeMKV or it is not in 3D format”

Please I need help how to make BD3D2MK3D recognized the 3D MKV file that the same software created ?

Nov 19, 2017 Version: 1.2 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 9/10 Value for money: 10/10 Overall: 9/10

With the BD3D2MK3D software, I can convert an original 3D movie to a 3D mkv file.
However, the same BD3D2MK3D software do not recognized this 3D mkv file if I pretend compress it even more?
Also if I download a 3D Mkv file and I tried to compress it it’s the same a have the follow information:
“Its seems that the file is not a MKV file created by MakeMKV or it is not in 3D format”
Of course, that the MKV file was created by BD3D2MK3D and not by MakeMKV, so I don’t understand this information coming from BD3D2MK3D.
And of course it is a 3D movie.
There is an answer for that?

Nov 12, 2017 Version: 1.2 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 8/10 Value for money: 10/10 Overall: 9/10

I should have known about BD3D2MK3D ages ago. Man, have I been struggling...
Excellent program, with awesome 3D and subtitle tools. Eventhough 3D video and it's subtitling has a learning curve, as you go work with BD3D2MK3D, the help/explanation popups will help you to understand what's happening within the 3D realm.
Thanks to creator r0lZ for this gem piece of software. He always takes time in the forums to answer any questions.


Oct 9, 2017 Version: 1.2 OS: Windows 7 64-bit Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10

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