Ultra MKV Converter 5.4.0311 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program can also be called "Ultra MKV Converter Unattended".
This PC software is developed for Windows XP/XP Professional/Vista/7/8/10/11 environment, 32-bit version. Commonly, this program's installer has the following filenames: Ultra MKV Converter.exe and ultra_mkvconverter.exe etc. The most popular versions of the Ultra MKV Converter 5.4, 4.4 and 4.3. The program lies within Multimedia Tools, more precisely Editors & Converters. We recommend checking the downloaded files with any free antivirus. This software was originally designed by Aone Software.
From the developer:
Ultra MKV Converter is a professional MKV convert which can convert MKV to AVI, MPEG, WMV, DVD, MP4, 3GP, H264, FLV, iPod, PSP, Archos etc.
With the user-friendly interface, you can convert MKV to all popular video formats as easy as ABC. Just a few clicks ,you could choose audio tracks and subtitle track to be converted for the target movie.
Ultra MKV Converter supports all the video and audio streams you will find in an MKV file.
You may want to check out more software, such as iCoolsoft MKV Converter, Leawo MKV Converter or Ultra AVI Converter, which might be similar to Ultra MKV Converter.
Reference
IDE