What does it mean to vectorise an image?

Vectorising an image means converting a raster image, which is made of a grid of pixels, into vector graphics that use mathematical formulas. This lets you resize and scale without losing quality.

Can you convert a JPG to a vector file?

Yes, you can vectorise pixel-based images, like a JPG. Enhanced Image Trace makes editing vectorised outputs easier with fewer anchor points, grouped layers and transparent support.