PhotoSpiralysis Online App

PhotoSpiralysis is a free online tool which lets you apply the Droste effect to your own pictures. The latest version (HTML5) works on most browsers, but does not support all features from the previous version (Silverlight). Therefore both are still available.

Start PhotoSpiralysis (HTML5)
Start PhotoSpiralysis (Silverlight)


  • Does not require plug-ins
  • Improved image quality (bicubic input sampling and supersampled output)
  • Incremental rendering (image keeps on improving while the user idles)
  • Only supports PNG image format
  • Transparent areas need to be created with an offline editor
  • Slow compared to Silverlight version (limited multithreading support in HTML5)
  • Buid in tool to create transparent areas (circle or 4-sided polygon)
  • Supports JPEG and PNG
  • Fast compared to the HTML5 version
  • Requires Silverlight plug-in
  • Not supported by Chrome or Edge. Other browsers may discontinue support in the future as well.

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