Convert SVG to PNG — Free SVG to PNG Converter

How to Convert SVG to PNG

Why Convert SVG to PNG?

SVG files are perfect for scalable graphics, but many platforms — including social media, email clients, and presentation tools — require raster image formats like PNG. Converting SVG to PNG gives you a pixel-based image that works everywhere, with transparency preserved.

PNG is the best rasterization target for SVG because it maintains sharp edges, supports transparency, and uses lossless compression. Your icons, logos, and illustrations will look crisp at the rendered resolution without any compression artifacts.

LeanImg rasterizes your SVG at 2x resolution for retina-quality output, all within the page itself. Nothing is sent anywhere — the design file stays local while the PNG is drawn. Free, instant, and sign-up-free.

For the best results, make sure your SVG has explicit width and height attributes or a viewBox. A PNG that comes out too heavy can go through the compressor next; for the web, WebP is the more compact target.

Compress your PNG · PNG to WebP

What changes going from SVG to PNG

Rasterising is a one-way trip: the paths, gradients and text are drawn once, at one resolution, and the PNG knows nothing about the shapes it came from, so scaling it up later gives blur rather than detail. LeanImg loads the file through a browser image element, reads its intrinsic width and height, doubles both, and paints onto a transparent canvas at that size, so a 400 by 300 SVG becomes an 800 by 600 PNG. If the browser cannot report a usable intrinsic size, the canvas is set to 1024 by 1024 before doubling, so the output is a 2048-pixel square whatever the drawing's aspect ratio.

Transparency survives: the canvas starts fully transparent, anything the SVG does not paint stays transparent in the PNG, and the pixels are stored losslessly through the jSquash PNG encoder plus an oxipng pass. A font referenced by name but not installed on your machine is swapped for a fallback at draw time, and no PNG can fix that afterwards; convert text to outlines in Illustrator, Inkscape or Figma first if the typeface matters. Scripts do not run and SMIL animation is frozen on its first state.

Size goes from bytes of XML to a pixel grid: typically many times larger for a simple icon, though a path-heavy illustration can come out smaller than the markup that described it.

Don't do this when the graphic will be scaled again or used at several sizes; keep the SVG as the master and rasterise once per size, or use the icon generator for a favicon set.

SVG vs PNG

What is a PNG file?

PNG became a W3C Recommendation in October 1996, designed after Unisys began enforcing the LZW patent that GIF relied on. It is lossless and only lossless: one compression method, deflate, applied after per-scanline filters. Every tool advertising a lossy PNG is really quantizing to a 256 color palette before writing an ordinary lossless PNG. Transparency comes in three grades: a real alpha channel at 8 or 16 bits, up to 256 alpha levels from a palette table, or a single keyed color.

How to open a PNG file

Nothing needs installing anywhere: Preview and Quick Look on macOS, Photos and Paint on Windows, and libpng as a base dependency on Linux mean GIMP, Krita and every GTK or Qt application read it. The interesting tools are the optimizers — optipng, oxipng and zopflipng rewrite the file losslessly, and LeanImg's compressor runs oxipng at optimization level 3 without ever changing a pixel.

Convert other formats to PNG

Frequently Asked Questions