JPG to SVG: How Vectorization Works in the Browser (No Server Required)

When designers ask "can I convert this JPG to SVG?", they usually mean one of two things: Embed the JPG inside an SVG wrapper (fast, lossless, but not truly vector) Trace the JPG into actual vector paths (slow, lossy, but infinitely scalable) Both are valid. They serve completely different use cases. In this post I'll show you how to implement both entirely in the browser — no server, no Illustrator, no backend. Why SVG? SVG (Scalable Vector Graphics) is resolution-independent. A 100-byte SVG can render crisply on a 4K billboard or a smartwatch — because it's math, not pixels. JPG is the opposite: a fixed grid of pixels. Zoom in enough and it falls apart. Use cases where you need SVG from a JPG: Logos that need to scale to any size Icons for UI frameworks Print designs (banners, merchandise) Laser cutting / CNC files CSS/HTML animations on vector shapes Method 1: Embed JPG Inside SVG (Simple) This wraps your JPG in an SVG container. It's not "true" vectorization — the image is still ra