PDF compatibility is achieved by embedding a complete copy of the PGF data within the saved PDF format. The AI file format was originally a native format called PGF. JPG typically achieves 10:1 compression with little perceptible loss in image quality.Īdobe Illustrator Artwork (AI) is a proprietary file format developed by Adobe Systems to represent single-page vector-based drawings in EPS or PDF formats. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPG is a commonly used method of lossy compression for digital images, particularly those produced by digital photography.
