Import one or more LUTs
Import CUBE files or compatible cube-strip PNG textures, then switch between them in the LUT list.
Free Online 3D LUT Converter
Convert 3D LUTs locally in your browser. Import CUBE or cube-strip PNG LUTs, preview them on a photo, resize the grid, and export CUBE, SPI3D, 3DL, RGB CSV, or PNG.
Preview
Load an image to preview a LUT.
Original
How it works
Convert a LUT in three steps
Preview the LUT on a still image, choose a supported output and grid size, then export the converted file.
Preview with a still
Use the sample photo or load a JPG, PNG, or WebP preview image. The image never leaves your browser.
Resize and export
Choose an available grid size and export CUBE, SPI3D, 3DL, RGB CSV, or cube-strip PNG.
Format support
Supported inputs and exports
Import a CUBE or compatible cube-strip PNG file, then choose a supported export format and grid size.
Supported inputs
Load normalized 0-1 3D CUBE files or cube-strip PNG LUT textures.
- CUBE (.cube)
- Cube-strip PNG LUT texture
Supported exports
Export the converted LUT as CUBE, SPI3D, 3DL, RGB CSV, or cube-strip PNG.
- CUBE (.cube)
- SPI3D (.spi3d)
- 3DL (.3dl)
- Cube-strip PNG
- CSV
Common conversions
Convert CUBE and PNG LUT files between workflows
Change the file type or grid size of an existing LUT for a compatible editing or graphics workflow.
CUBE to PNG LUT texture
Turn a .cube LUT into a cube-strip PNG texture for compatible real-time and graphics workflows.
PNG LUT texture to CUBE
Load a supported cube-strip PNG and export a standard .cube file for compatible color applications.
Resize a 3D LUT grid
Resample a LUT to an available 16, 17, 32, 33, 64, or 65-point grid when the selected format supports it.
Before you convert
What this LUT converter does not do
This tool converts an existing 3D LUT file. It does not replace color management or create a look from an ordinary photo.
Preview images are for checking only. The JPG, PNG, or WebP image you load is not converted or included in the download.
It does not convert color spaces. Log-to-Rec.709 transforms and camera input transforms belong in a color-managed video or photo workflow.
It does not create a LUT from a photo. Use Color Match when you want to build a reusable look from a source and reference image.
FAQs
Frequently asked questions
No. LUT parsing, image preview, resizing, and export run locally in your browser.
You can import 3D CUBE files with a normalized 0-1 input domain and compatible cube-strip PNG LUT textures. Import is currently limited to these two formats.
Yes. You can export a CUBE file as a cube-strip PNG, or load a compatible cube-strip PNG and export it as CUBE.
Choose a size accepted by the software or device that will use the LUT. The converter only shows sizes available for the selected output format.
No. Converting the file format or grid size does not turn a camera Log LUT into a Rec.709 transform or change its intended input color space.