Features
One platform, entirely in your browser.
Everything that used to require expensive software and disconnected steps — unified.
Layout Designer
Layout Designer
Place. Calculate. Visualize.
Import your floor plan, position luminaires, and watch illuminance values update in real time. Small office or 200,000 sq ft warehouse — the Layout Designer handles both.
Report Designer
Reports your clients will actually read.
Your layout, calculation data, luminaire schedule, and company branding — one polished, shareable PDF.
Luminaires Library
The world’s open photometric library.
Thousands of IES files. Searchable, filterable, community-verified. No more hunting across manufacturer websites.
Photometric Hub
Upload. Analyze. Decide.
Drop in any IES file and get every chart, rating, and metric you need — instantly. No separate software required.
Community & Collaboration
Share. Learn. Grow.
OpenLumen is more than a tool. Share layouts, contribute files, discuss techniques, and learn from professionals worldwide.
Try our Tools
1
Create Your Account
Sign up in under 60 seconds. Save your designs to the cloud — access them anywhere.
2
Design Your Layout
Draw your space. Choose luminaires or upload IES files. Place them and see results instantly.
3
Download Your Report
When your design is ready, export it as a PDF report.
4
Share Your Work
Share your layout via link or PDF with your team or customers — or publish it to the community.
And there is more.
Mobile Ready. Private IES Files. Manufacturer Pages. DXF Support. Custom Branding.