Download RMVB to iPad Converter and launch it, you can find the interface like this:
Step 1: Add File - Click to add RMVB files into file list.
Step 2: Set output format - From the profile option, select the output format and category.
Step 3: Select output folder - Click to choose destination to place the output file.
Step 4: Convert video - After setting all parameters, click to start conversion automatically.
With RMVB to iPad Converter, you can easily get your wanted output format to be played on your iPad with original quality.