loper

Loper · Colorists & finishing

Open .spi1d files on your Mac.

.spi1d

OpenColorIO's 1D LUT format: version, input range, length and components, then the table.

Loper is a free, minimal editor for macOS that opens Sony Imageworks 1D LUT (.spi1d) 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.

Download Loper – freeAll formats
lin_to_log.spi1d opened in Loper: Sony Imageworks 1D LUT (.spi1d) with color-coded LUT (cube, 3dl)
Show the file as text
Version 1From -0.125 1.125Length 4096Components 1{    0.000000    0.004211    0.008538    0.012985}

How to open .spi1d files

  1. Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
  2. Double-click your .spi1d file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
  3. Want every .spi1d file to open in Loper? Choose Loper › Make Loper the Default Editor….

More for colorists & finishing

LUT (.cube) .cubeLUT (.3dl) .3dlASC CDL (.cdl, .cc, .ccc) .cdlOpenColorIO config .ocioCommon LUT Format (CLF) .clfACES CTL .ctlSony Imageworks 3D LUT (.spi3d) .spi3dOpenColorIO matrix (.spimtx) .spimtxRising Sun cineSpace LUT (.csp) .cspDaVinci Resolve still (.drx) .drxACES Metadata File (.amf) .amf