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MKV Cutter is a tool to cut h.264 mkv files frame accurate. Cut out mkv video clips exactly without reconverting the entire video. Since it's an ALPHA version it has some major shortcomings.

Released:Jun 25,2017
File size:32.3MB
13 votes

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MKV Cutter screenshot
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Latest version

20170625 (June 25, 2017)


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Download MKV Cutter 20170625  [32.3MB]  [Win]  [Portable]

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Download MKV Cutter old versions

Supported operating systems




Version history / Release notes / Changelog

update 2017.06.25: MKV Cutter should now be able to mkvs with non constant time code differences (vfr content).

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All features


Since it's a alpha version and I really only look at it from time to time it has some major shortcomings.
It only properly supports progressive, constant frame rate H.264 content
it has an ugly user-interface
it does not come with any bells&whistles
x264 encoding is very rudimentary (no user choice, always crf 21 encode)
ignores subtitles if present
Windows OS only atm. (mainly because Avisynth is used for decoding and preview; in theory ffmpeg could be used as alternative so porting to Linux&Co should be possible)

Here's a general overview how MKVCutter works:

analyze content with MKVInfo (to get the key frame positions)
analyze content with MediaInfo (to get some general data needed for audio reencoding and preview)
create AvisynthSkript to preview the content (simple script that calls FFVideoSource on the input)
let user set which parts of the content he wants
create audio and video cut lists for mkvmerge, create trim calls
let user set the output name and the temp folder
call mkvmerge with the video cut lists to create a bunch of temporary files (here the cuts are always on key frames)
analyze one of the not reencoded parts with h264_parse to improve compatibility
create avisynth scripts using the trim calls and LWLibAVSource to decode the GOPs that need reencoding (smart rendering)
create x264 call to reencode the content provided by the avisynth scripts
call x264 to reencode
when all GOPs that need to be reencoded are reencoded, call mkvmerge to cut the audio (here attachments, subtitles&co do not get disabled any therefore should still be available)
merge the new audio video and all the reencoded and kept GOPs

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Guides and How to's

Acronyms / Also Known As

Selur MKV Cutter, MKVCutter

Download MKV Cutter Portable download

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13 reviews, Showing 1 to 5 reviews

Latest version 20170625 has problems cutting and merging videos encoded with H.265. The description only mentions H.264, but MKV Cutter does read and play H.265 videos. Cutting and merging H.265 is hit or miss, and the program crashes every time.

Apr 13, 2018 Version: 20170625 OS: Windows 7 64-bit Ease of use: 5/10 Functionality: 5/10 Value for money: 10/10 Overall: 5/10

I've rated this application very low. Audio is out of sync not matter what I do, mp2 aac ac3 it's all aout of sync. When recoding parts of the videostream the audio needs to be recodes as wel and I think that's what causes the sync issues.
Navigating through a video is arkward to say the least, to me this appocation is useless

Mar 23, 2018 Version: 20170625 OS: Windows 7 64-bit Ease of use: 2/10 Functionality: 1/10 Value for money: 1/10 Overall: 1/10

No comments. Rating it only.

Mar 19, 2018 Version: 2017625 OS: Windows 7 64-bit Ease of use: 2/10 Functionality: 3/10 Value for money: 1/10 Overall: 1/10

If you are using Windows 7, please note that you have to be at least on SP1 before trying to use the program. If not, the program will give you the "api-ms-win-crt-runtime-l1-1-0.dll is missing" error. To fix this you can check:
I had to upgrade my system first and install Visual Studio 2015 for it to work. Installing Windows 7 (KB2999226) also helps.

The program itself looks pretty simple. However, instead of "Open Source" maybe a more UI friendly "Open File" would have been better. I suggest also calling the lower part like a "Status" window or something. I thought you had to manually edit the scripts at first.

I tried opening a simple 300mb-ish 720p file just to see how it works and boy did the MkvInfoAnalyser took its sweet time loading. Opening a 1gb+ 1080p file might take even longer. ugh

Once it finally loads, just move the slider and select the desired start and end frames. You can use arrow buttons too.
Press Add to cut-list then commit cut-list when you finally have selected all the parts you want.
It will then tell you to select an Output and Temp folder which you can do so by pressing the buttons on the top right side. However it would have been better if you could just select it prior to pressing the commit button. And the placement of the instruction and the buttons doesn't help at all. It also doesn't take the name of the file as a default name so you have to specify the output name yourself. I think the program should also automatically choose the main drive temp folder and do it there instead of user having to manually specify it.
After pressing next, let the scripts do their thing. The "hopefully it created" the file message in the end doesn't sound reassuring. But thankfully it did cut the part I want precisely so that's good.

The test file I used has an AVC video stream and AAC audio stream which seemed just fine. However, the program was not able to cut an mkv with HEVC video stream and FLAC audio stream (BD) file.

The program is great if you know what you're doing. It can certainly use a lot more UI improvements.
It's far better than MKVSplitter in terms of accuracy. But still far from being the equivalent of mp4 "Smart Cutter" when it comes to mkv files.

Mar 17, 2018 Version: 20170625 OS: Windows 7 Ease of use: 3/10 Functionality: 5/10 Value for money: 4/10 Overall: 5/10


Does exactly what I need it do, don't know how I didn't find this earlier

I have been using a free editor which worked very well until they made it a paid program to keep the format instead of re-encoding
but that doesn't work anywhere as well as this program does

Once again


Thank you very much for this program I have tried a heap of different ones and this is the best one I have used

Dec 12, 2017 Version: 20170625 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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