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Convert spi3d to itx

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Spi3d file(s) on your desktop and select Convert with Filestar.

  3. Type convert to itx in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i file.spi3d -c "convert to itx" (how).

Let your AI agent convert SPI3D to ITX

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the SPI3D files in my Downloads folder to ITX”

Or run it yourself:

filestarcli -i file.spi3d -c "convert to itx"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert SPI3D to ITX?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.spi3d -c "convert to itx" on your computer, so your files stay on it.

Using Filestar With AI Agents →

What is the difference between .spi3d and .itx?

Name
Sony Imageworks 3D LUT
Iridas ITX Color Lookup Table
Extension
.spi3d
.itx
Format
Text
Text
Category
Color Lookup Table
Color Lookup Table
Developer
Sony Pictures Imageworks
Adobe (Iridas)
Description
An SPI3D file is a three-dimensional colour lookup table in the text format of Sony Pictures Imageworks, used by OpenColorIO. It starts with SPILUT 1.0 and lists output colours with their grid indices.
An ITX file is a 3D colour lookup table in the Iridas text format used by SpeedGrade and Premiere Pro. It lists the output colour for every point of an RGB grid, the same layout as a .cube file, to apply a colour grade or look.
MIME Type
text/plain
text/plain
Sample
sample.spi3d

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