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

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DIALux is free of charge and available in 25 languages. More than 750,000 professional users worldwide – including engineers, electricians and lighting designers – plan, calculate and visualise light for indoor and outdoor areas with DIALux – using real products from more than 190 renowned luminaire manufacturers.

DIALux for users


Plan, calculate and visualise light for indoor and outdoor areas. From entire buildings and individual rooms to car parks or street and emergency lighting. Create a unique atmosphere with genuine products from our DIALux members and convince with an individual lighting project.


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DIALux for brands


You would like to present your products in DIALux? Then become a DIALux member now. Increase your brand awareness, expand your reach and generate quality leads by connecting with potential customers during the digital planning process. Benefit from the special advantages of DIALux Membership.


DIALux business