DIALux is the software for your professional lighting design
Download DIALux evo What's new ›
Plan, calculate and visualize lighting for indoor and outdoor areas. From entire buildings and individual rooms to parking spaces or road lighting. Create a unique atmosphere with real products of our DIALux partners and convince your client with an individual lighting project.
Whatever project you are planning, DIALux offers you a multitude of features and functions
DIALux supports you and your workflow with easy handling and helpful features
Import image files
You don't have an architectural plan? Just import images files as JPG, BMP or PNG or use screenshots from services like Google Maps to create your plan true to scale.
Real products
Our DIALux partners offer their products for your digital design workflow in DIALux.
Receive product information, photometric data and 3D models.
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Not convinced yet?
See what's new in DIALux evo 9

DIALux is free and open. Use the software for personal, educational and commercial purposes
Find out why DIALux is free of charge. We explain our business model and will certainly answer some obvious questions.
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For those who want even more:
Expand DIALux with special functions
– flexible in a monthly subscription
The DIALux Pro Features
Get to know all features and improve your skills with DIALux seminars and webinars

Find seminars for beginners and advanced users in our academy. Visit us at our headquarters in Lüdenscheid or learn in an online seminar from the comfort of your own home.
Find your seminar

DIALux Mobile
DIALux is also available as free app. Carry out your light planning of an interior space directly on site on your smartphone or tablet, available for Android and iOS.
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Google Play Store
App Store
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Trust in DIALux
More than 750K active users per month find that DIALux makes their workflow easier and more effective.