When you download files onto your iPhone, you can usually find them in the app that's meant to open them, or save your downloads to specific folders.

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.

Adobe Illustrator is a vector design software used for things like image editing, graphic design, creating logos, and more. While it can be used for both hobbyists and professionals, the price tag is ...