// Tech

KTX2 Textures — GPU-Native Texture Compression

KTX2 textures are 3-5x smaller than JPG/PNG and load directly to GPU without decompression — the future of web textures.

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KTX2 is the texture format that wins for web 3D in 2026. Compared to JPG/PNG: 3-5x smaller file size, and (more importantly) loaded directly to GPU memory in a compressed format the GPU understands natively. JPG/PNG decompress to uncompressed RGBA on GPU, eating memory; KTX2 stays compressed, sometimes 10x less GPU memory. Tooling: KTX-Software CLI converts JPG/PNG to KTX2, gltfpack handles it as part of the asset pipeline, Three.js KTX2Loader decodes (Basis Universal under the hood). Browser support: universal for the Basis Universal subset KTX2 uses. For premium 3D web with multiple textures, KTX2 is essentially required.

What you get hands-off

After delivery: source repository on GitHub (private), commented code, a 5-min Loom walkthrough explaining the scene logic, and the asset pipeline documented. First year of hosting and minor revisions is included. After that we agree on a maintenance plan if needed.

What this delivers

Concrete output: a working ktx2 textures integration on a real production site, not a demo. The integration includes device-tier detection so weak phones get a lighter version automatically. Source files are handed over in their original formats — Blender, GLSL, glTF — so any future developer can continue where I stopped.

How I work with it

On a typical project, ktx2 textures ships as a self-contained module: one entry-point JS file, one CSS file, asset bundle below 1.5MB total. I keep the integration sandboxed so the rest of the site stays SEO-friendly classical HTML. Frame budget targets 60 FPS on a mid-range Android, with a measurable fallback below.

Performance budget

Lighthouse mobile target: 85+ across all categories. I measure on real devices, not just emulator. Asset compression: glTF + Draco for meshes, KTX2 for textures, Brotli for shaders. Lazy-load any ktx2 textures scene that isn't above the fold so the first paint stays under 1.5s.

Frequently asked questions

Why pick this technology over alternatives?

It has the largest production-quality ecosystem, the most documentation, and the most experienced developers available. For a site you want to maintain for 3+ years, ecosystem maturity matters more than feature peak.

What if a newer tool comes out next year?

I track new tooling and migrate when it makes sense, but only after the new tool ships stable production releases for at least 6-9 months. I don't rebuild client sites on bleeding-edge tools — that's the path to broken sites.

How long does this take?

Standard scope: 4-6 weeks from contract signature to live site. Larger scope (configurator, multi-scene scrollytelling) takes 8-12 weeks. Rush projects (2-3 weeks) are accepted with a 30-40% rush surcharge.

What does it cost?

Hero-section 3D upgrade: \$1,500-\$2,500. Full multi-scene 3D site: \$3,500-\$8,000. Configurator with custom shaders: \$5,000-\$12,000. All fixed-price, source code included. EUR equivalents on request.

What if my visitors are on weak phones?

The site detects device tier before the first scene loads and serves a lighter version on weak hardware (fewer particles, simpler shaders). Devices without WebGL get a static fallback that preserves the visual language and conversion path.

Ready to ship a 3D experience?

Tell me what you need — fixed price, fixed deadline, no surprises.

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