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About Adobe Illustrator
.ai (Adobe Illustrator Artwork) is a filename extension for a file format developed for representing single-page vector-based drawings in PDF and EPS formats.
Early versions of the AI file format were true EPS files with a restricted syntax and additional semantics. Later versions of the AI file format are based on a PGF format, unrelated to EPS or PDF. |
Supported by converters
Convertability