MKV Compressor
MKV Compressor is a superior MKV video compressor and MKV file compressor to help you compress MKV videos and reduce the file size. This video compressor for MKV video files can also function as video converter and video editor, supporting all popular video formats.
MKV videos usually have large file size. MKV Compressor can convert MKV to other video formats, and allows you to freely adjust the output quality to get smaller file size.
There are lots of profiles provided by MKV Compressor to facilitate your converting from MKV to iPod, iPhone, PSP, Xbox videos. Thus you can watch them on various devices.
Free download for Trial
Buy Now $55.95
You can also use MKV compressor to trim movie, crop video, merge videos, adjust effect and add watermark to video.
This version is for Windows XP and Vista. If you are Mac users, please click here.
How to compress MKV video?
Download and install MKV compressor, launch it and follow the steps below.

Step 1. Input Video
Click
button to load MKV videos.
Step 2. Choose output format
Open Profile drop-down list and choose the output format as you want.
Step 3. Compress Videos
Three methods are provided to help you compress video.
1) Adjust video quality
Open Video Quality drop-down list on the right panel to intuitively adjust output quality.

2) Adjust encoding settings
Click Profile Settings button on the upper right to set video and audio encoding settings, like Video Size, Bitrate, Frame Rate, Sample Rate, Zoom mode, etc.

3) Use Bitrate Calculator
Open Video Quality drop-down list or choose Tools menu, then select Bitrate Calculator to open the handy tool, then you can compress video to designated file size.

Step 4. Compress Video
Click
button on the tool bar to start the compression.
MKV Compressor can convert MKV files to other popular video formats, you can freely adjust the output video quality to compress video and reduce file size. You can also use MKV Compressor to edit MKV videos before converting.