Build an HTML5 HDR Image Viewer with Three.js From Blender to Browser

In this screencast you will learn how to build a beginner friendly HTML5 HDR image viewer using Three.js and WebGL.

We start with the Courtyard EXR environment image included in Blender 4.5 LTS and walk step by step through converting it into web friendly formats. You will learn why EXR is not ideal for browsers, how to convert EXR to HDR, and how to optimize HDR images using KTX2 for real world web performance.

This video is designed for beginners who want practical results without complicated build tools. Everything is explained clearly using simple HTML, JavaScript, and open source tools.

What you will learn in this video
How HDR images work on the web
Why EXR is not browser friendly
How to convert EXR to HDR using OpenImageIO
How to convert HDR to KTX2 using Khronos tools
How to load HDR and KTX2 files in Three.js
How to create a simple HTML5 HDR image viewer

Related blog article with full code and explanations
https://ojambo.com/build-an-html5-hdr...

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