A-PDF Number is a free software that can add or create page numbers in PDF files that are compatible with Adobe Acrobat Reader 5 and above. This standalone application doesn't require any Adobe Acrobat installation.

One of the best things about A-PDF Number is that it's a standalone application, which means you won't need Adobe Acrobat or any other third-party programs in order to use it. Plus, it's completely free to use for both personal and commercial purposes.
With A-PDF Number, you can add page numbers to your .pdf files in three different display modes: number, ROMAN(IV), and roman (iv). You can also choose from three different position settings - left, middle, and right - and set a prefix if necessary. And if you want to add a pop of color to your page numbers, you can even customize the color settings to your liking.
Overall, A-PDF Number is a great tool for anyone who needs to add page numbers to their .pdf files quickly and easily. Its user-friendly interface and array of customizable options make it an excellent choice for both novice and advanced users alike.
Version 1.3: Bugs fixed.