What is the best light simulation software

DIALux is the software for professional lighting planning

For lighting designers and luminaire manufacturers

DIALux is the leading software for lighting planning, available free of charge in 25 languages. Plan, calculate and visualize light for indoor and outdoor areas. From entire buildings and individual rooms to parking lots or street lighting. Create a unique atmosphere with real products from our DIALux partners ›and convince with an individual lighting project.

More about DIALux can be found here ›

DIALux Download ›

Whichever project you are planning, DIALux offers you a multitude of features and functions. Here you can download DIALux and the DIALux product catalogs free of charge.

Download ›

DIALux partner ›

More than 190 manufacturers from all over the world trust DIALux. The ULD files of the DIALux partners bring many advantages in planning. In contrast to LDT / IES files, they contain all important product information in one file.

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DIALux for manufacturers ›

Present your products to the right target group at the right time, in the right place. Your luminaires become part of the digital design workflow without any wastage. The products are available 365 days a year. Exactly where lighting planners need it.

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LUMsearch ›

Avoid old-fashioned catalogs and tons of websites. LUMsearch offers you a large selection of high-quality products from our DIALux partners. With just one click you can insert the desired product into your DIALux lighting planning.

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