SVG — vector graphics — is essentially distinct from JPG. Whereas JPG saves pictures as a raster of pixels, SVG encodes illustrations as mathematical descriptions of shapes, lines and colors. This means SVG images scale to any size — from a 16x16 pixel favicon to a billboard — without any pixelation.
Transforming JPG to SVG is a technique known as image vectorization, and it is especially useful for logos and simple graphics.
Before converting JPG to SVG, it is necessary to realize how the process works. A JPG is a read more raster image — a fixed grid of image pixels. An SVG is a mathematical image — a set of mathematical instructions that a browser displays as the graphic.
This works extremely well for simple images with distinct shapes and few colors — logos, icons, silhouettes and flat artwork. Results are poor for photographic images with thousands of colors.
For best output, Adobe Illustrator's Image Trace function provides the most precision. Open your JPG in Illustrator, highlight the image, access the Image Trace settings and choose an relevant setting.
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