Illustrator draws with vectors, meaning shapes are stored as paths and curves instead of pixels, so artwork can be scaled to any size without losing sharpness. That makes it the standard tool for logos, icons, packaging, infographics, and print layouts. Designers build artwork with the Pen tool, shape builders, gradients, and precise typography, and the finished files can go straight to a printer, a website, or a sign shop.
Its AI features aim to speed up the repetitive parts of the job. Text to Vector Graphic generates editable vector shapes from a description. Generative Recolor tries a set of color palettes on an existing design based on a prompt, and Image Trace converts a sketch or photo into vector outlines. Other tools help with selections, pattern creation, and mockups. The output is real vector art on proper layers, so it can be edited like anything else you draw.
Illustrator is sold through Adobe Creative Cloud as a single app or in a bundle, and it runs on Windows, macOS, and iPad. Generative features consume credits tied to the plan. Affinity Designer, Inkscape, and Figma cover parts of the same job at lower cost or for free, but Illustrator files remain the format most print vendors, agencies, and brand teams expect. Learning it takes time, so beginners often start with Canva or Express and move up.