MKV which is short for Matroska Video is a kind of video container format that is similar to the .AVI, .ASF, and .MOV formats. MKV supports several types of audio and video codecs. The MKV format has become popular in the anime fan-subbing community since it supports multiple audio and subtitle tracks in the same file. To convert MKV to GIF animation, MKV to GIF Animation Converter is a good choice.

The application is free for trial. You can download and evaluate it via clicking here. You can get the full function of the application via buying a single-user personal license for it. There are also three other licenses for the application, if you need, please visit the website to buy.

Please see the user interface of MKV to GIF Animation Converter in Figure1 in which there is a video file list used to lists all file to be converted in the middle. Buttons "Add Image File(s)", "Remove" and "Remove All" are for adding and removing to or from the list. Two other methods are also available to add files into the table. One is to drag the MKV file into the application, which is considered as the most convenient way. The other is to right click the mouse in the list and choose "Add files" option in dropdown list to add files. The button "Preview Video" is used to preview the MKV files listed in the table.

Please click on "Options" button and you will see the "Option" dialog box comes out. Please see Figure2. If you want to convert an entire MKV to GIF animation, you don't need to care about the values in "Start (Sec)" and "End (Sec)" spin boxes, just follow the default ones. If you want convert only a part of MKV to GIF animation, please set the start and end time in these two spin boxes according to your requirements. In "Size (1 to 6000)" and "Quality: (0.01 to 255)" spin boxes, you can control the size and quality of output file. Of course, you should choose the output format as "GIF Animation (*.gif)" in "File Format" combo box. The replay times of output animated GIF file can be specified in "GIF Replay Times" combo box. If you don't set it, the output file will replay infinitely. You can also control the play speed of GIF animation by changing the frame rate in "GIF Frame Rate" spin box. Just click "OK" button to close this dialog box and continue the work.

Please go on clicking on the "Convert" button in Figure1 to choose a folder for the target file in "Browse for Folder" dialog box and click "OK" button to run the conversion. A green progress bar will give you a reference about the conversion progress at the bottom of current dialog box and it will be empty again when the conversion is done. Please see the conversion result in Figure3.