Question: how to convert rmvb to mkv?
Answer: Upload RMVB-file. Click "Choose File" button to select a rmvb file on your computer. RMVB file size can be up to 50 Mb.
Convert RMVB to MKV. Click "Convert" button to start conversion.
Download your MKV. When the conversion process is complete, you can download the MKV file.