KTX Converter: Free Web Tool Turns Any Image into GPU-Ready KTX2

KTX Images Converter for WebGL/GPU and Threejs

Robert Borghesi's KTX Converter is a free, open-source web app that transforms standard images into KTX2 format for WebGL/GPU and Three.js. Built with WASM, it runs entirely on-device, offering ETC1S/BasisLZ compression, sRGB support, and presets for web, quality, and normal maps. Users can adjust quality, fit power-of-two, and flip vertical orientation. The tool includes a live 3D preview with zoom and pan, and is available on GitHub.