When you "zip" a file, you'll compress its data and reduce how much space it takes up on your computer or phone.

To unzip a file on your computer or phone, you can use tools that come pre-installed on the device. In some cases, using a ...

WhatsApp’s built-in document scanner lets you digitize paper documents into PDFs directly from a chat on Android or iPhone, ...

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...