How to Compress MKV Files with Lossless Quality in Mac/Win?

The MKV is an open standard free container format, a file format that can hold an unlimited number of audio, video, subtitle tracks or picture in one file. This format offers a richer media experience than any other current format, this makes MKV a popular choice for making back-ups of DVD and Blu-ray discs that you could also play on a computer connected to a TV. 


Hot search: MKV to NVIDIA 3D Vision Player | downsize 4K XAVC to 1080p | downscale 4K ProRes to 1080p ProRes 

Nowadays, movies or TV shows streamed over the Internet are increasingly seen in .mkv extensions, particularly for high-definition sources (1080p). But its flat body may cause trouble when viewing it back. Maybe your old CPU is impossible to watch such HD 1080p videos. Or your portable gadget like HTC, Samsung Galaxy, etc has limited space to store them. Normally, you’ll try some compression programs. However, MKV file format is already highly compressed and will not benefit from further compression. 

Ever wonder how to compress MKV into smaller file size as well as maintain high video quality? As far as I know, there are mainly two methods to shrink MKV video file size: 

Method one: Compress MKV by converting MKV to MP4, AVI, 3GP or other video formats. 
In the same video quality situation, the MKV file size is much larger than other video formats like MP4. To shrink MKV without loss of video quality, we may convert MKV to MP4, 3GP, AVI and etc. If you do not want to change the video format, you may refer to method two. 

Method two: Shrink MKV by adjusting MKV video bit rate, resolution, frame rate etc. 
This method helps to resize MKV files to get a good balance of quality and file size. And you may choose to compress MKV as well as keep the MKV as the output video format. You may also choose to shrink and convert MKV to other video format. 

Ever wonder to find a powerful MKV Compressor to achieve the above mentioned two methods? Pavtube Video Converter is just the right MKV compressor tool which helps to compress MKV file size with almost no loss of video and audio quality. It can shrink MKV files with either the method one or the method two. If you are running on Mac operating system, you can refer to the equivalent version- Pavtube Video Converter for Mac. It works well with the latest Mac OS X El Capitan. 

Other Download: 
- Pavtube old official address: 
- Amazon Download: 
- Cnet Download: 

How to compress MKV files with lossless quality? 

Step1: Download and install the corresponding versions. After that, launch the program. Click “Add Video” or “Add from folder” button to load your source MKV files. You can also drag and drop MKV files to the main interface directly. 


Step 2: If you want to adopt method one, click “Format” bar to select preferable output video format. You’d better choose “HD Video>>H.264 HD Video (*.mp4)” as output format. 


Step 3: If you want to adopt method two, click “Settings” button to customize the output video and audio settings by yourself. You can change the resolution, bit rate, frame rate as you need. With this program, you can keep a good balance between file size and image quality. 

Step 4: When all settings and modifications are completed, click “Convert” button to activate compression. 

Conclusion: This program is very efficient in conversion and the progress bar will show the percentage and remaining time. No matter which method you adopt, you can finish resizing and shrinking MKV files to a smaller video file size with no quality drop in Mac/Win seamlessly. 

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