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LDT LDC
File conversion

Convert LDT to LDC

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Is it possible to convert LDT to LDC?
Yes - LDT converts to LDC.

LDC and other niche photometric layouts hold similar data; convert via a photometric toolbox (IESviewer/Eulumdat tools) if a specific tool demands that format. Rarely needed.

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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How to convert LDT to LDC

Converting a .LDT file to .LDC lets you open the content in software that prefers the .LDC format, though some details may change compared with the original. We are still putting together the list of programs that handle .LDT files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.LDT EULUMDAT Photometric Data File

An LDT file is a EULUMDAT photometric data file - plain text that describes how one light fixture distributes its light in every direction. Open it in DIALux, Relux, or IESviewer to run…

Open .LDT details →
.LDC LDC File

A .LDC file is a data file used by specific software.

Open .LDC details →