Free MIDI to MP3 Converter is a free application to convert all of your MIDI files to high-quality MP3 music.
The app does not have a lot of options as far as making any changes but instead is a simple converter only. This is fine for those who are looking for a quick conversion, but not so much for audiophiles looking to tweak the output. You add your MIDI files by clicking on "Add" or drag-and-drop it into the Window. You can save to the current folder or select any folder you'd like to save to.
On our test run, it took about thirty seconds to convert two MIDI files to MP3. It doesn't get much simpler than this. There's no help file included, but you won't need it. If you're looking for a quick and easy way to convert your MIDI's to MP3, then Free MIDI to MP3 Converter is what you're looking for.