File Juicer
File Juicer for macOS
Overview of Formats

Search & Extract

Images

jpg jpeg 2000 gif png pdf wmf emf tiff eps pict bmp

Video

mov mpeg avi wmv

Sound

mp3 wav System 7 au aiff

Text

ascii rtf html

From:

avi cab cache chm dmg doc emlx exe ithmb m4p mht mp3 pdf pps ppt raw swf wps xls zip and other formats

lrcat - Adobe Lightroom Files

File Juicer will extract previews from Lightroom data files. The Catalog files does not contain images so you are likely interested in the lrdata files instead. This can be a way to recover partially form a situation with missing photos where the originals have been deleted by accident.

Drop the lrdata file onto File Jucier and let it extract the images inside.

Users of Aperture and end in a similar situation where you need to extract pictures from approject files.

The lrcat files contain information about the images, and it is stored in sqlite database format which File Juicer will extract as text. Diggin into what it means is an entirely different story.