Just open the PDF24 Editor. Drag & drop the images to the right window pane. This loads the images. Click the combine icon in the toolbar, to join all images into one document. Then save the document as a PDF file.
Sure, this is possible. Just use our Images to PDF tool and you will be happy. There you can choose all your images you want to combine into a single PDF files. There is also an option to use the file names for the bookmark tree. The online tool works online and uses PDF24 servers to combine the files. If you want to work offline, just download and install PDF24 Creator. The Toolbox of PDF24 Creator has the same tool but works offline.