Panel Splitter is a script that helps you to instantly crop images/canvas along the guides in Photoshop and export them as high quality PDFs. All you need to provide is how many rows and columns that are needed. Panel Splitter will prepare the guides, crop each panel and save them as PDFs for you.
There is an alternative option that already available in Adobe Photoshop named Slices from Guides. But, it lacks the ability to export each panel in high quality state & the Export feature is...