You can convert a JFIF file to JPG, though the two formats are nearly identical, and most software will open a JFIF file as a JPG.

Portable Document Format (PDF) is one of the most widely used file formats for storing and sharing documents. It makes sense since PDFs are a universal file format that maintains layout, fonts, colors ...

You can easily save a picture on a Chromebook by right-clicking on the photo in a web browser. Here's how to do it.