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Loper · Camera files

Open .RMD files on your Mac.

.RMD

The grade and camera settings RED stores next to an .R3D clip: ISO, white balance, gamma and color space at a glance.

Loper is a free, minimal editor for macOS that opens RED metadata sidecar (.RMD) 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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A001_C003.RMD opened in Loper: RED metadata sidecar (.RMD) with color-coded XML
Show the file as text
<?xml version="1.0" encoding="UTF-8" standalone="yes"?><!DOCTYPE REDXIF><REDXIF>  <color_version>2</color_version>  <iso>800</iso>  <kelvin>5600</kelvin>  <tint>0.000000</tint>  <gamma_curve>REDlog3G10</gamma_curve>  <color_space>REDWideGamutRGB</color_space>  <exposure_adjust>0.300000</exposure_adjust></REDXIF>

How to open .RMD files

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

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