Design My Lights

Truly free

See Christmas lights on your house

Free tier & pricing

Completely free with no account; upload a house photo, drag lights along the roofline and get a photorealistic nighttime preview.

Last verified Jun 23, 2026. Report a change →

The short answer

Free consumer tool that darkens your house photo to night and renders glowing roofline lights with chosen bulb style, color and spacing.

The facts

Pricing
Free · Truly free
Free tier
Yes
Runs in browser
Yes
Platforms
Web
2D / 3D
Basic 3D
Learning curve
Moderate
Export formats

The catch

  • Browser only — no offline app.
  • No true-to-scale measurements.

Best for

Homeowners previewing holiday lights

Design My Lights: questions, answered

Is Design My Lights free?

Yes. Design My Lights is genuinely free to use. Completely free with no account; upload a house photo, drag lights along the roofline and get a photorealistic nighttime preview.

What platforms does Design My Lights run on?

Design My Lights is available on Web. It runs in any web browser with nothing to install.

Does Design My Lights do 3D and photorealistic renders?

Design My Lights supports 3D with basic 3d render quality. For fully photorealistic output you may want a heavier tool.

Is Design My Lights easy to learn?

Moderate to pick up. Homeowners previewing holiday lights