loper

Loper · Colorists & finishing

Open .csp files on your Mac.

.csp

cineSpace 3D LUTs with per-channel pre-LUTs in the header, then the R G B table.

Loper is a free, minimal editor for macOS that opens Rising Sun cineSpace LUT (.csp) 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
film_print.csp opened in Loper: Rising Sun cineSpace LUT (.csp) with color-coded LUT (cube, 3dl)
Show the file as text
CSPLUTV1003D BEGIN METADATAFilm print emulationEND METADATA 20.0 1.00.0 1.020.0 1.00.0 1.020.0 1.00.0 1.0 17 17 170.000000 0.000000 0.0000000.062500 0.001220 0.000000

How to open .csp files

  1. Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
  2. Double-click your .csp file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
  3. Want every .csp 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 1D LUT (.spi1d) .spi1dSony Imageworks 3D LUT (.spi3d) .spi3dOpenColorIO matrix (.spimtx) .spimtxDaVinci Resolve still (.drx) .drxACES Metadata File (.amf) .amf