DIALux is the worldwide standard
in lighting design software

Download DIALux evo 9 + patch 4

Find out why DIALux is made for lighting designers and luminaire manufacturers

750K

active users worldwide

languages available

60M

luminaires used per month

Get to know the software and design lighting for in- and outdoor areas

You want to know how? Learn DIALux in your region and language with our certified DIALux trainers or visit our headquarters in Lüdenscheid.

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Integrate your products in the world's leading lighting design software

Using DIALux your products will be part of the digital design workflow. They are available 365 days a year and located exactly where professional designers need them.

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DIALux News

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Name	Purpose	Lifetime	Type	Provider
CookieConsent	Saves your consent to using cookies.	1 year	HTML	Website
fe_typo_user	Assigns your browser to a session on the server.	session	HTTP	Website
__DFC_4f9b69d7523603cb41afcad6ba49adfd	Used to store FastCalc settings.	15 minutes	HTTP	fastcalc.dialux.com

Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo
_pk_ref	Used to store the attribution information, the referrer initially used to visit the website.	6 months	HTML	Matomo
_pk_ses	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_cvar	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_hsr	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo

Name	Purpose	Lifetime	Type	Provider
_ga	Used to distinguish users.	2 years	HTML	Google
_gat	Used to throttle request rate.	1 day	HTML	Google
_gid	Used to distinguish users.	1 day	HTML	Google
_ga_--container-id--	Persists session state.	2 years	HTML	Google
_gac_--property-id--	Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out.	3 months	HTML	Google

DIALux is the worldwide standard in lighting design software