The PSD files created by Adobe Photoshop are known as bitmap or raster images. Essentially, they're essentially made up of a grid of colored pixels. For some purposes, including common business uses, ...

If you work with computers sooner or later you’re going to find you need an image that is in a raster (AKA bitmap) format (e.g. .gif, .jpg, .wmf) translated to a vector format (e.g. .svg, .cgm, .dwg).

Can anyone recommend software for conversion of a raster image to vector representation? I have a .jpg that I need to blow up to poster size. This is just a one-off so I can't pick up an expensive ...