loper

Loper · Camera files

Open .sidecar files on your Mac.

.sidecar

BRAW decode settings as JSON: ISO, white balance, gamma and LUT.

Loper is a free, minimal editor for macOS that opens Blackmagic RAW sidecar 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.sidecar opened in Loper: Blackmagic RAW sidecar with color-coded JSON
Show the file as text
{  "iso": 800,  "white_balance_kelvin": 5600,  "white_balance_tint": 0,  "gamma": "Blackmagic Design Film",  "gamut": "Blackmagic Design",  "exposure": 0.3,  "post_3dlut_mode": "Embedded"}

How to open .sidecar files

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

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