This MPO splitter and viewer is a free and handy utility that can be used to convert a 3D MPO file into multiple JPG files.
This app only works locally without going through the server. It allows you to extract images instantly, real-time.
You can also convert a mpo file to stereo/anaglyph jpg image. With 3D red-blue glasses, this converted image can be viewed in your browser.
You can select MPO files to split/view from your local computer and from Google Drive directly.

An MPO file is a stereoscopic image that consists of multiple 2D JPG images that are combined into one 3D image. It was created by digital cameras such as the Fujifilm 3D or Nintendo 3DS.