Here are tools for converting an image to svg format. Google and MIT have a tool for this at https://code.google.com/p/svg-edit/
What is Svg ? and How can i use it ? For a better conversion result, prefer pictures with solid background. Picsvg is also an easy way to convert icon to svg.
Convert Picture to Svg (beta version)
▶ To convert a picture into Svg format , just select a color then upload it
▶ Supported file types are : (jpeg,jpg,gif,png) & max size : 1 Mb=1000 Kb Upload a picture Svg Color Original picture resized Download image.svg
▶ What is Svg ?
Svg (Scalable Vector Graphics) is an XML-based vector image format.
The advantage is that you can modify image size without losing quality and detail.
For a better conversion result, prefer pictures with solid background. Convert Picture to Svg – Picsvg