It's easy to download a PDF document on an iPhone and save it to an app like Apple Books or iCloud Files. Here's how to do it.

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Haley Jo Lewis Haley Jo Lewis is a newsletters editor. She has contributed to ...

PDFs remain a common way to share documents because they preserve formatting across devices and platforms. Sometimes, however, you end up with several separate PDFs that would be easier to handle as a ...

On all models in Apple's new iPhone 17 series as well as the iPhone Air, the new 18MP Center Stage front camera transforms mobile photography with its square sensor design and intelligent ...

The iPhone 17 lineup brings a new video feature that lets you record from both the front and rear cameras simultaneously. Dual Capture creates picture-in-picture recordings that should be perfect for ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. The Defense Department has tightened cybersecurity ...

Crunchyroll/Sony’s Demon Slayer: Infinity Castle is expected to reign in its second weekend at the box office, and no matter if it drops 70% or 80%, the pic should arrive at the century mark by Sunday ...

Large language models largely remain black boxes in terms of what is happening inside them to produce the outputs that they do. They have also been a bit of a black box in terms of who is using them ...

You’ll spend a lot of time playing on your Vault Hunter in Borderland 4, so knowing where to find the save file for your character is a good idea. Each file is only a few kilobytes, so creating a ...

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Animal lovers were awed by an enormous tiger acting just like a domestic pet cat as she settled into a carboard box. Joanne is a 15-year-old Sumatran tiger living at the Phoenix Zoo, where she's cared ...