The XML Paper Specification was developed by Microsoft and ECMA International and released in 2006. XPS offers an open standard for creating, editing, processing and printing fixed-layout documents.

If you've scanned a document with your scanner or phone and have the image as a JPG file, it's often useful to convert that image to a PDF. Using Adobe Acrobat, you can even automatically process text ...

Apple Pages, like Microsoft Word, is a full-featured document creation tool. Because you can use it for free on macOS, iOS, and iPadOS, this makes it a solid choice for creating reports, contracts, ...

You can convert Apple's HEIC files to PDF on a Mac or Windows computer using the free Convertio website.