Download Meduza Photometric Toolset to get your complex Eulumdat and IES luminaire data file editor with tons of tools like keywords manager, lamp manager, BUG rating calculator, file format converter and more.


Currently v1.3.6 (contains all version).

Free with limited functionality and without sign up.

Know which version is best for you


The free version has limited features but it is still a useful tool for opening and viewing Eulumdat and IES luminaire data files. View intensity distribution, zonal luminous fluxes, polar diagram and more.

No sign up required.

Full and trial version

The full version includes all the features of the free version. In addition, you have a number of tools at your disposal, such as rotating, mirroring, scaling, or evaluating a distribution based on international standards..

Full version requires sign up.

Frequently Asked Questions

What should I do after download?

After you downloaded the application, you should unzip the file. After the file unzipped, you can install the application.

How can I use the application free?

After the application is installed, you can use it free immediately. You must select the Free version on the application welcome page.

How can I get Trial license?

To use the app with full functionality for 14 days, you need to register an account. After signing up and logging in the site, under License Overview menu item, you can apply for a Trial license only once for 14 days by clicking on Get License.

What happens if my Trial license expires?

Once your Trial license expires, you can still use the app for free with limited functionality. To do this, just select the Free version on License manager page in the application.