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Free Christmas Light Designer

Compare light settings on a photo of your house. Your photo never leaves your device. The overlay uses a fixed sample roofline.

Sample house in daylight

Preview lights with the settings

Sample photo by Jonathan Neely on Unsplash. Lights are drawn on top.

Your shopping list

Estimate · measure before you buy

5 strands of 25 ft 100 ft × 1.10 ÷ 25 ft, rounded up

  • C9 strand, 25 ft
    Warm white     × 5
  • Gutter clips
    Pack of 100     × 2
  • Outdoor timer
    One per outlet run     × 1

Opens November 12

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How to plan your lights

Start with one roofline

This preview uses a fixed sample roofline. Adjust the light settings to compare looks; custom tracing is not available yet.

Mini or C9 bulbs?

Mini lights suit fine detail and wrapped trunks. C9 bulbs make a bold, readable roofline from the street.

Icicle and net lights

Icicles hang below an eave. Net lights cover shrubs. Measure the real surfaces before you buy.

How the estimate works

Strands = round up(feet × (1 + extra ÷ 100) ÷ strand length). Check the lit length and connection limits on the box.