To work on Illustrator you need to have vector images. Any normal image that you pick up from the internet or anywhere else is not a vector illustration. Therefore, to make it into one you need to trace an image in Illustrator. Tracing in Illustrator can be done by the help of the pen tool feature. It is an important tool and helps you trace an image very easily. However, it is important to note that tracing a photo in Illustrator can be a tedious task depending on its complexity. In this step by step guide, we will teach you how to trace images in Adobe Illustrator.