Why Convert PNG to SVG?
PNG files store images as a fixed grid of pixels. When you scale a PNG up, the pixels become visible and the image looks blurry or blocky. SVG (Scalable Vector Graphics) files describe shapes, paths, and colors mathematically, so they can scale to any size — from a favicon to a billboard — without losing sharpness. This makes SVG the preferred format for logos, icons, diagrams, illustrations, and any graphic that needs to look crisp at multiple sizes.
Converting from PNG to SVG bridges the gap between raster artwork and the vector world. If you have a logo saved only as a PNG, wrapping it in SVG gives you a format that modern web frameworks, design tools like Figma and Illustrator, and print workflows all handle natively. For simple graphics, tracing the PNG into actual vector shapes produces a file that is resolution-independent and often smaller than the original bitmap.
Embed vs Trace: Choosing the Right Mode
Embed mode takes the PNG pixel data and encodes it as a Base64 string inside an SVG container. The result is technically an SVG file — it can be placed in any SVG-compatible workflow — but the image content inside is still raster. This is ideal when you need SVG compatibility (for example, pasting into a Figma frame or embedding in an SVG sprite sheet) without altering the visual content at all. The output is pixel-identical to the input.
Trace mode analyzes the actual pixel colors and builds vector rectangles grouped by color. The output is a true vector SVG made of shapes, not embedded bitmaps. This works extremely well for flat-color graphics: icons, pixel art, logos with solid fills, and UI elements. For photographs or images with subtle gradients, trace mode produces very large files because it needs thousands of rectangles to approximate smooth color transitions — stick with embed mode for those cases.
How This Converter Works
When you drop a PNG file, the browser loads it onto an off-screen canvas element using the native Image API. In embed mode, the canvas exports the image as a data URL (a Base64-encoded PNG string) and wraps it inside an SVG <image> element with the correct width, height, and viewBox. No pixel data changes — the output is a lossless container swap.
In trace mode, the converter reads every pixel from the canvas using getImageData(), quantizes colors into buckets (rounding RGB channels to reduce the palette), then builds horizontal and vertical runs of same-colored pixels into SVG <rect> elements. Adjacent rectangles of the same color are merged to minimize element count. The transparency threshold slider controls how opaque a pixel must be to be included — lowering it captures semi-transparent edges, raising it produces a cleaner result. The entire process runs in JavaScript on your device with zero network requests.
Best Practices for Raster-to-Vector Conversion
Start with the highest-resolution PNG you have. A 32×32 icon traced into SVG will have jagged edges because the source only has 32 pixels of detail per row. A 256×256 or 512×512 version of the same icon gives the tracer far more data to work with and produces smoother shapes. If your source image has transparency, make sure the background is truly transparent (alpha channel) rather than white — the tracer respects the alpha channel and will skip transparent pixels.
For logos and brand marks, consider cleaning up the PNG in an image editor first: flatten unnecessary color variations, sharpen edges, and remove compression artifacts. The tracer groups similar colors together, but JPEG artifacts or anti-aliased edges can introduce dozens of extra color buckets that bloat the output. A clean, flat-color PNG produces a dramatically smaller and more editable SVG. After conversion, you can open the SVG in Figma, Inkscape, or Illustrator to refine individual shapes.
Common Use Cases
Web development: Modern CSS and HTML handle SVG natively. Converting a site logo from PNG to SVG means it renders crisply on retina displays, 4K monitors, and mobile screens without needing multiple resolution variants. A single SVG replaces logo@1x.png, logo@2x.png, and logo@3x.png.
Design handoff: When a client provides a logo only as a PNG, converting it to SVG gives your design team a starting point for vector editing. Embed mode preserves the exact visual; trace mode on a flat-color logo can produce editable paths immediately.
Print and signage: Print shops require vector files for large-format output. A traced SVG of a simple graphic can be sent directly to a plotter or vinyl cutter. Even embed-mode SVGs are useful as placeholders in print layouts that will be finalized later.
Frequently Asked Questions
What is the difference between embed and trace mode?
Embed mode wraps the original PNG pixel data inside an SVG container as a Base64-encoded image. The output is scalable in the SVG sense but the image inside is still raster. Trace mode analyzes the pixels and creates actual vector rectangles grouped by color, producing a truly scalable image — but it works best on simple graphics, icons, and logos rather than photographs.
Will converting a photo to SVG make it scalable?
In embed mode, the photo is wrapped in SVG but remains raster at its original resolution. In trace mode, photographs produce very large SVG files with limited quality because the tracing algorithm approximates complex color gradients with rectangles. For photos, embed mode is usually the better choice.
Does this tool upload my images?
No. Everything runs in your browser using the Canvas API. Your images never leave your device, and no data is sent to any server.
What file types can I convert?
This tool is optimized for PNG files but will also accept JPEG and WebP images since the browser can load them onto a canvas. The output is always an SVG file.
Why is my traced SVG file so large?
Trace mode creates individual vector rectangles for groups of similarly-colored pixels. Images with many colors or gradients produce thousands of rectangles, resulting in large SVG files. For best results with trace mode, use simple graphics with flat colors and limited color palettes.