Adjust the layout to decide if you want one image per page or a collage-style grid, then click to save your file. On Mac: Select the images in Finder . Right-click and go to Quick Actions > Create PDF . This will instantly bundle them into a single PDF document. Mobile Options

: A popular choice for converting images to PDF and then merging them.

You can "put together" your paper without using a website by using your operating system's built-in print features: