DIALux is the world's leading software for lighting design. Available in 27 languages, free of charge and tailored to your needs. Design, calculate and visualise indoor, outdoor, street and emergency …

DIALux is the world's leading software for professional lighting design and a marketing tool for luminaire manufacturers.

DIAL has developed DIALux, the world's leading software for planning, calculating and visualizing indoor and outdoor lighting. The light-planning tool has a community of more than 700,000 users and …

Dec 16, 2025 · Download DIALux, the worldwide standard in lighting design software. Free of charge. Design light for single rooms, whole buildings, outdoor area, street lighting and daylighting.

With DIALux, you design lighting for indoor and outdoor areas – using real luminaires, standards-compliant calculations and realistic visualizations. Perfect for anyone who wants to use light effectively.

With DIALux Pro, you work faster, more flexibly, and more professionally. The subscription offers advanced features, customized reports, and full control over your projects – for results that impress.

Discover new possibilities with our DIALux subscriptions, customised to your needs.

Learn the features of the software DIALux and get many tips & tricks to plan, calculate and visualize the light optimally. Expand your knowledge in the fields of lighting technology, lighting design and lighting …

Find everything you need to know to get started with DIALux. Design, calculate and visualise light with DIALux evo. Work with real luminaires and products of more than 190 manufacturers. Browse …

Transform your ideas into beautiful lighting designs. Learn DIALux step by step with inspiring short lessons, expert guidance, and a certification that opens new doors.