ImageToSVG

How to Use SVG in Deno

Serve and render SVG content from a Deno server with the correct headers and content type.

Preset:
Colors:
VTracer vectorization + SVGO optimizationPrivacy protected

Serving SVG from Deno

Deno's native HTTP server or frameworks like Oak can serve SVG files directly — read the file and set Content-Type: image/svg+xml in the response so browsers render it correctly instead of downloading it.

  • Set Content-Type: image/svg+xml explicitly
  • Read SVG files with Deno.readTextFile
  • Works the same in Oak, Fresh, or native serve()

Dynamic SVG Generation

Deno can also generate SVG markup dynamically as a string response — handy for server-rendered charts or badges. Convert source art to SVG first so your templates start from clean vector paths.

  • Generate SVG markup as a template string response
  • Convert source art to SVG before templating
  • Cache generated SVGs for repeated requests

Frequently Asked Questions

Why does my Deno server download the SVG instead of rendering it?

The response is missing the correct Content-Type header — set it to image/svg+xml so browsers render the SVG inline instead of treating it as a download.

Can Deno generate SVG dynamically for badges?

Yes — return an SVG string as the response body with the image/svg+xml content type, a common pattern for server-generated badges and charts.

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