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Deliver photometry

Introducing Cholii, a software platform enabling manufacturers to build your
photometric pipeline with powerful tools


Demo Features


Discover your photometric pipeline


Convert between formats


Update luminaire details


Adjust luminous output


Roll, spin or tilt

Experience the power of Cholii with our limited demo version

Get the full Cholii experience

Sign on as one of our beta users and get full access to Cholii pipeline

Full Feature Set

Convert between IES, LDT & CIE file types

Files optimised to AGi32 and DIALux

Combine files to create direct/indirect files

Update keywords for IES and LDT files

Modify the physical or luminous dimensions of luminaires

Adjust output through proportional scaling

Apply rotations including roll, spin and tilt

Flip photometric distribution (mirror)

Split direct/indirect photometric files into two separate files

Preview adjustments using the Cholii 3D polar curve viewer

Custom solutions? 

Our API allows you to build photometric files in real time for your products

Full Features

About Us



With over 15 years experience in lighting manufacturing and distribution, we are a small team of software and product design engineers on a mission to make managing photometry more accessible and simple to use.

Try Cholii for free

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