Ktx2-encoder NPM

ktx2-encoder

A lightweight JavaScript library for converting images to KTX2 (.ktx2) format. Powered by BinomialLLC/basis_universal.

Features

Convert images to KTX2 format
Support for both 2D images and cubemaps
Integration with gltf-transform
Support both Browser and Node.js

Quick Start

Install:

npm install --save ktx2-encoder

Import:

import { encodeToKTX2, encodeKTX2Cube } from 'ktx2-encoder';

Usage:

// encode a 2D image
encodeToKTX2(data /** ArrayBuffer of png */, options);
// encode a cube map
encodeKTX2Cube([data, ...] /** ArrayBuffer of png */, options);

See options API documentation for more details.

For gltf-transform

For the users of gltf-transform, you can use the provided function ktx. For example:

import { ktx2 } from "ktx2-encoder/gltf-transform";

await document.transform(
  ktx2({
    isUASTC: true,
    enableDebug: false,
    generateMipmap: true,
    wasmUrl: "/basis_encoder.wasm"
  })
);