From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

While many people think of Acrobat only as a PDF viewer or editor, its design capabilities make it possible to start with a blank page and build a fully customised document from s ...

Tap the Share icon (the square with the arrow). Scroll down and choose Print. On the preview screen, use two fingers to pinch outward. This instantly converts the preview into a PDF. Tap the Share ...