LrToolbox - The Ultimate Solution for Lightroom Catalog Management. LrToolbox is a comprehensive Windows software designed to handle your Lightroom catalogs with ease. Whether you're a professional photographer or a hobbyist, this tool will help you streamline your workflow and increase productivity. Whether you need to extract previews from catalogs, convert your photo ratings to sidecar files, or convert RAW photos to JPG, LrToolbox is here to help you in just a few clicks.