A freelance illustrator is a talented artist that works for themselves, rather than in-house at a company or agency. Many illustrators work on a freelance basis, finishing projects based on client needs. These could include anything from blog post graphics to a specially made children's book. It really depends on the niche of the illustrator and the need of the clientele that the illustrators cultivate. Freelance illustrators often make themselves available on talent matching services and freelance marketplaces.