Interactive Lab

Image Filter Playground

What can I do here?

Quickly compare preset filters with your own Butterworth design. Upload a photo or use the demo image, tune the parameters, and inspect how the spectrum reacts in real time.

  • Preset vs. custom filters
  • Blend slider preview
  • Switchable spectrum views
1

Choose an image

Work with the built-in demo or upload your own PNG/JPG.

2

Pick a filter strategy

Toggle between curated presets or customise a Butterworth filter.

Butterworth parameters

Order controls the steepness. Use two values for band-pass cut-offs.