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The missing SVG.toDataURL() for your SVG elements. Supports exporting as SVG+XML and PNG.

See original paper for more information on interfacing between SVG and Canvas.


  1. Include canvg if you need PNG support for unsupported browers (see compatibility below).
  2. <script type="text/javascript" src="svg_todataurl.js"></script>
  3. See butterfly_test.html for full example & compability test.
mySVGelement.toDataURL("image/png", {
    callback: function(data) {
        myIMGelement.setAttribute("src", data)

API documentation inside svg_todataurl.js.


Test your browser with our butterfly test suite.

Works in all modern browsers. Some browsers require canvg for PNG exporting.

Compatibility as of October 2017. + yes, vv+ yes since version vv, - no support yet.

Browser     E x p o r t i n g  f o r m a t
            SVG+XML  PNG/canvg  PNG/native
IE           9+       9+         edge
Chrome       +        +          33+ ²
Safari       +        +          7.1+ ³
Firefox      +        +          11+ ¹
Opera        +        +          +

¹ Allow SVG-as-an-image to be drawn into a canvas without marking it as write-only
² Implement SVGImage::hasSingleSecurityOrigin() ³ Test Browser Support for SVG to Canvas


  • SVG <image> elements only work if their src is a dataURL. External images, same domain or not, will not be rendered (but won't cause a security exception either).


Licensed with the permissive MIT license, as follows.

Copyright (c) 2010,2012 Sampu-mon & Mat-san

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.


Gives your SVG elements the missing toDataURL function (same as Canvas has)






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