W3c vector graphics image file format
SVG is a file extension for a vector graphics image file format created by the W3C to describe such images by mathematical equations. SVG uses XML (Extensible Markup Language). Some existing variants of SVG in use are SVG 1.0, SVG 1.1 and SVG Tiny 1.2), SVG Tiny (SVGT) and SVG Basic (SVGB). Most of these subsets are for use on more limited (usually mobile) devices.
MIME type: image/svg-xml, image/svg+xml, image/vnd.adobe.svg+xml
Learn more about SIT files:
See the WC3’s SVG working draft.
Visit Adobe's Scalable Vector Graphics information page.
Search for answers to SVG-related questions at IT Knowledge Exchange.