IES / LDT Photometric Viewer

Drop a luminaire photometric file to instantly see its polar intensity distribution, rated output, beam angle and integrated flux. Nothing is uploaded — the file is read entirely in your browser.

Drop an IES or LDT file here

or tap to browse · .ies · .ldt

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Rated flux

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Power

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Peak intensity

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Beam (FWHM)

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Efficacy

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Integrated flux

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What kind of fixture is this?

Pick a type and we’ll drop one of them into a generic space so you can see what it actually does.

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Average

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Minimum

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Maximum

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Direct light only · maintained values (MF 0.8) · fixed demo scene. The full Entrune tool does real rooms, arrays, uniformity, SANS targets, outdoor high-mast and perimeter runs.

Need to place these in a room?

Entrune runs the full photometric design — lux levels, uniformity and fixture counts, indoor and outdoor. Validated against Relux.

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Files are parsed locally in your browser and never leave your device.