Convert x3f to exr

  1. Download and install the latest version of Filestar.

  2. Right click on one or more X3f file(s) on your desktop and select Convert with Filestar.

  3. Type convert to exr in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.x3f -c "convert to exr" (how).

Let your AI agent convert X3F to EXR

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 X3F files in my Downloads folder to EXR”

Or run it yourself:

filestarcli -i file.x3f -c "convert to exr"

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 X3F to EXR?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.x3f -c "convert to exr" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .x3f and .exr?

Extension
.x3f
.exr
Format
Binary
Binary
Category
Camera
Raster Image
Developer
SIGMA
Industrial Light & Magic
Description
The X3F file format, also known as the SIGMA X3F Camera RAW File, is a proprietary image format developed by Sigma Corporation for storing raw image data captured by Sigma cameras equipped with the Foveon X3 sensor. Unlike standard JPEGs or TIFFs, X3F files contain unprocessed data from the camera's sensor, offering photographers greater flexibility in image editing.
Raster image stored in the OpenEXR format, a high dynamic-range (HDR) image file format developed by Industrial Light & Magic; supports multi-layer images, lossy and lossless compression, and 16-bit and 32-bit pixels; used for storing deep raster images for high-quality graphics; used by raster graphics editing programs and imaging applications.
MIME Type
image/x-sigma-x3f
image/x-exr

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