WhatsApp can do more than send messages and photos. A hidden tool inside the app turns stacks of paper into tidy digital files in just a few taps.
You can save a webpage as a PDF on a Windows computer using any installed web browser's Print menu and selecting "Save as PDF" from a dropdown menu.
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.
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