SVG — vector graphics — is essentially distinct from JPG. JPG stores pictures as a grid of pixels, SVG encodes images as geometric descriptions of geometric shapes. Which means SVG graphics can be displayed at every size — from a tiny icon to a large banner — with no quality loss.
Transforming JPG to SVG is a process called raster to vector conversion, and it is particularly valuable for logos and simple graphics.
Prior to converting JPG to SVG, it is essential here to understand what the conversion actually does. JPG files are a bitmap image — a static grid of dots. An SVG is a vector image — a collection of paths which software renders as the graphic.
This works extremely well for uncomplicated graphics with defined shapes and few colors — logos, icons, silhouettes and flat artwork. It works less well for photographic images with fine detail.
For professional results, Illustrator's Image Trace feature offers the most control. Load the image in Illustrator, select the image, access the Image Trace settings and select an appropriate preset.
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