EXR and KTX Preview for VSCode

May 16, 2025 ยท View on GitHub

This VSCode extension allows you to preview EXR (OpenEXR) and KTX (Khronos Texture) images directly in VSCode using OpenImageIO's command line tools.

Preview

Prerequisites

Installation

  1. Clone this repository
  2. Run pnpm install to install dependencies
  3. Run pnpm compile to build the extension
  4. Press F5 in VSCode to start debugging and test the extension

Can be installed from the marketplace as well: https://marketplace.visualstudio.com/items?itemName=mateh.exr-preview

Usage

  1. Open an EXR or KTX file in VSCode
  2. The file will automatically open in the EXR or KTX Preview editor
  3. The preview will be generated using OpenImageIO and displayed in VSCode

Features

  • Automatic preview generation for EXR and KTX files
  • Clean and simple interface
  • Uses OpenImageIO for high-quality previews

Requirements

  • VSCode 1.60.0 or higher
  • OpenImageIO installed and available in system PATH

Known Issues

  • The preview is generated as a temporary PNG file and then displayed
  • Large EXR files might take a moment to generate the preview

Contributing

Feel free to open issues or submit pull requests for any improvements.

License

MIT