Scalable Vector Graphics — the SVG format — is completely separate from JPG. JPG encodes pictures as a raster of pixels, SVG encodes illustrations as mathematical definitions of shapes, lines and colors. This means SVG files work at all sizes — from a small icon to a large banner — with no loss of sharpness.
Converting JPG to SVG is a process referred to as raster to vector conversion, and it is very beneficial for icons and clean graphics.
Before converting JPG to SVG, it is important to realize what happens. JPG files are a raster image — a fixed grid of image pixels. An SVG is a vector image — a set of mathematical instructions that applications renders as the graphic.
This works extremely well for uncomplicated graphics with defined shapes and limited colors — icons, logos, symbols and line art. It works less well for detailed photographs with fine detail.
For professional results, Illustrator's Image get more info Trace feature gives the most flexibility. Load the image in Illustrator, click the graphic, access the Image Trace panel and select an appropriate preset.
Try alljpgconverters.com offering a completely free web-based JPG to SVG converter without software needed.