This WINDOWS & ONLINE Application (you get access to both) will allow you to bulk import images/puzzles into a NEW PPTX, ODP or PDF file or into an EXISTING PPTX or ODP file.
PowerPoint, OpenOffice or LibreOffice isn't required as PPTX/ODP files can be opened and further edited in other software such as Canva, Google Slides, Office Online etc.
Check out the YouTube video here - https://www.youtube.com/watch?v=N4IWMwKwi6M
The software supports importing PNG, JPG & SVG files.
You can choose up to 8 different folders to import from and choose between 1 - 24 images per page and set minimum margins, spacing, and titles for each image.
Great for importing/compiling puzzle images or similar!
The software download is included once you purchase, for online access register using your license key - https://bulkimageimporter.com/