Looking for extra support with fine-tuning your LUTs? This new macOS app from Cut Point Labs aims to be a new solution in the space that post-pro teams and colorists might find appealing.

The goal here is to allow editors to edit LUT curves directly and then create a tunable Resolve DCTL approximation. Users can preserve an extended range beyond LUT clipping and, in Resolve, adjust, explore, contrast, and invert.

All great, helpful things for post-production teams to do directly, without opening a full grading project. Let’s check it out.

Cut Points Lab LUT Tuner

So, what’s cool about this LUT tuner is that it can directly edit the response curves in a .cube 3D LUT and then create a tunable DCTL approximation for use in DaVinci Resolve. Editors can use this tool to help to refine RGB channels individually or as a gang, which is helpful in allowing editors to further evaluate the result against the picture, and even export the edited LUT, a Resolve DCTL, or both.

Plus, unlike a bounded LUT that clips values outside its defined range, this exported DCTL can keep its preserved extended-range image data.

Ideal for streamlining workflows, LUT Tuner is a focused macOS application for inspecting, editing, previewing, comparing, resizing, and exporting .cube 3D LUTs without opening a full color grading project.

Price and Availability

Credit: Cut Point Labs

Not a major tool or super in-depth app with a ton of replacement-level features, but rather an ancillary option to streamline your workflows just a bit more, this LUT Tuner could be a nice option for the right colorist or video editing team to consider.

Here’s the full list of key features:

  • Open and export standard .cube 3D LUTs
  • Create forward DCTL approximations for DaVinci Resolve
  • Preview the DCTL approximation on patterns, stills, or video before export
  • Review mean, p95, and maximum RMSE fit metrics
  • Define intended DCTL input and output color-space assumptions
  • Tune tone, color strength, contrast, pivot, exposure, range handling, and blend in Resolve
  • Invert the approximation when DCTL controls remain matched
  • Direct RGB and ganged curve editing
  • Still-image and video preview
  • Original LUT comparison
  • Bypass LUT preview
  • Lasso selection and multi-point editing
  • Radius-based neighboring point influence
  • Keyboard nudging for precise adjustments
  • Undo, redo, and reset
  • LUT resize and resample
  • Tetrahedral and trilinear interpolation
  • Local processing on macOS

The LUT Tuner from Cut Points Lab is available via the Apple App Store for $14.99, where you can also learn more about its latest updates and go through a typical workflow.

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