IESviewer is a convenient program for Windows which offers features to professionals working in the field of lighting design and analysis. It serves as a valuable resource for viewing and examining photometric data in various formats.

Process photometric data

The tool boasts an uncomplicated graphical interface. Even those new to photometric data investigation will find it accessible. The clean layout and intuitive controls make it simple to open, view, and manipulate IES files.

It is necessary to point out that the application is compatible with different formats. It is capable of processing IES, LDT, and LTL items effortlessly. This ensures that you can work with a considerable number of lighting data sources.

Analysis and 3D visualization

The software gives you an array of instruments for comprehensive analysis of photometric information. You can view light distribution curves, luminous intensity profiles, and other critical details necessary for lighting design projects.

What is more, there is a 3D rendering feature that allows you to preview how luminaires will illuminate a space. This function is particularly useful for assessing the visual impact of lighting designs. Alternatively, you may try a utility like Calculux Indoor.

Features

free to download and use;
compatible with modern Windows versions;
enables you to process photometric data files;
you can view detailed descriptions of luminaires;
it is possible to render lighting equipment in 3D.