AnyConv.com is a free batch AI converter using which you can convert AI to PNG, JPG, GIF, BMP, TIFF, PDF, and more formats. You can also batch convert AI to vector images like SVG, PSD, EPS, PS, etc.
The files with AI extension represent the vector images created in Adobe Illustrator software. Graphics designers use Adobe Illustrator to create different types of images, like banners, logos, ...