SVG is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. The SVG specification is an open standard developed by the World Wide Web Consortium (W3C).
Technical Specifications
XML-based text format describing vector paths, shapes, and text. Infinite scalability.
Advantages
Resolution independent (sharp at any size), small file size for simple graphics, scriptable with CSS/JS.
Disadvantages
Not suitable for complex photographs, can be complex to create manually.