Aperture Exporter
Aperture Exporter was designed specifically for Aperture users who have decided to move to Lightroom. With only a few options and a click of a button, Aperture Exporter re-generates your Aperture Library as a set of folders and subfolders containing your images.
For more information please visit https://ApertureExporter.com
Mac OS X 10.7 or up to 10.14.x (Mojave). It is not compatible with MacOS 10.15 (Catalina) or above as Aperture is no longer able to run on those versions. A working installation of Aperture 3.x is required.