loper

Loper · Colorists & finishing

Open .clf files on your Mac.

.clf .ctf

Academy/ASC Common LUT Format and Autodesk CTF transforms with process nodes and bit depths.

Loper is a free, minimal editor for macOS that opens Common LUT Format (CLF) instantly and colors every part of the file, so you find the value you need at a glance and can fix it right there. No IDE, no project to load, no gray wall of text.

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show_lut.clf opened in Loper: Common LUT Format (CLF) with color-coded XML
Show the file as text
<?xml version="1.0" encoding="UTF-8"?><ProcessList id="show-lut" compCLFversion="3">  <Description>LogC4 to Rec709</Description>  <Matrix inBitDepth="32f" outBitDepth="32f">    <Array dim="3 3">      1.45 -0.24 -0.21      -0.16 1.43 -0.27      -0.03 -0.18 1.21    </Array>  </Matrix></ProcessList>

How to open .clf files

  1. Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
  2. Double-click your .clf file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
  3. Want every .clf file to open in Loper? Choose Loper › Make Loper the Default Editor….

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