It’s also worth noting that these techniques allow you to combine any type of image file into a PDF, so you can tack a JPEG of a receipt onto the end of a PDF invoice if you want. There are two ways to merge PDFs on Apple’s operating system, though one allows for more customization than the other. Thankfully, Apple has a PDF combiner built right into macOS, and while Windows doesn’t have anything similar, there are some workarounds you can try. And if you’re working without an internet connection, even the most trustworthy web-based tool can’t help you. The thing is, you just want to join some files together, not spend precious time researching the privacy practices of a virtual stapler. Some are run by well-regarded companies, and others may have strong security protocols. Of course, not all of these programs could potentially ship your tax documents off to identity thieves.
