Horizon shaders are .hshader files.
Not OptiFine zips.
Horizon renders in Rust and exposes its own shader API, so the usual Minecraft shader route does not apply. The registry lists 12 shader packs; here is what the file is, where it goes, and what it costs in frames.
Why an OptiFine zip does nothing here
OptiFine and Iris shaders are written against Minecraft's rendering pipeline: they replace specific programs and expect the game to load them from a folder. A Rust engine has no such pipeline to replace, so a zip full of GLSL that targets Minecraft has nothing to attach to.
Horizon's answer is a native shader API and a package format. A shader project in the registry has an id, a version, a game version, an API version, a license and a SHA-256, the same shape as a mod. That is why shader pages on this site look like mod pages: they are registry projects with a different kind.
One practical consequence: shader troubleshooting starts in the game's shader screen, not in the launcher. If the file is installed and the engine sees it, the shader menu lists it. If it is not listed, the file never loaded, and no setting in a pack will change that.
What the file contains
- A manifest with the shader id, version and target game and API versions.
- The shader code and its assets, addressed by the engine's shader API rather than by Minecraft program names.
- A published SHA-256, so the launcher can refuse a corrupted download instead of shipping a black screen.
- A license that stays with the author. Some are MIT; Lumina is GPL-3.0; the Wisdom ports are Apache-2.0.
Twelve shader packs, four full pages.
Every entry below is a public Horizon registry project. The version is the latest published one in this snapshot, not a promise about the next release.
| Shader | Author | Version | License | Page |
|---|---|---|---|---|
| Wisdom Shaders V3 (Horizon port) | bobcao3, iLoong | 1.3.7 | Apache-2.0 | source |
| Wisdom Shaders V3 Lite (Horizon port) | bobcao3, tomasmendes01 | 1.3.7 | Apache-2.0 | source |
| Daybreak | hildlabs | 0.2.0 | MIT | details |
| Montarc | Muurrcc | 1.1.1 | MIT | source |
| Radiant | Daniel | 1.0.0 | MIT | source |
| Lumina | cosmo-jar | 1.0.0 | GPL-3.0 | details |
| Lumen | Lutziano888 | 2.1.0 | MIT | details |
| Pastel Mystic | palladium7048 | 1.0.0 | MIT | source |
| Nimbe | Reminuscul | 1.0.0 | MIT | source |
| Vivid Horizon | Evan-lhm | 1.0.0 | MIT | source |
| Aurora Shaders Horizon | iLoong | 5.9.3 | Apache-2.0 | details |
| Volex | ZEIBLD | 2.0.1 | MIT | source |
- Daybreak - Sun shadows, reflective water, waving plants, coloured light, sun rays and bloom, built to cost as little GPU time as possible.
- Lumina - High performance with real-time shadows, physical water, roof overhang occlusion, volumetric 3D clouds, and sharp anti-aliasing
- Lumen - Cozy Photon-style look: soft shadows, warm sunsets, volumetric clouds, light shafts, clear water, waving plants.
- Aurora Shaders Horizon - A shader pack for Horizon, written against Horizon's native shader API 0.1
What shaders cost
A shader pack is the most expensive thing most players add. Shadows, volumetric clouds and reflective water all run per frame, and the cost scales with resolution rather than with the number of mods. On a laptop, a shader can take a 120 FPS scene to 45 without anything else changing.
Two packs in this catalog make that trade visible. Studio is built for camera work and screenshots, so frames matter less than the shot. Skyline pairs Tectonic terrain with Distant Horizons LODs, which is already a heavy combination before a shader joins it. If you run both, drop the LOD distance first; it buys more frames than turning off shadows.
The registry also carries a Lite variant of Wisdom Shaders for exactly this reason. Same family, fewer effects, more headroom. Compare it against the full version on your own machine instead of trusting a frame count from someone else's.
Install a shader
Open the Shaders screen
The launcher lists the 12 registry projects with version, license and source. Install one into the profile you are playing.
Or import the file
A downloaded .hshader can be imported like a mod file. The launcher hashes it and keeps it with the profile, so two packs can use different shaders.
Select it in game
The shader screen lists what the engine found. If your file is missing there, it did not load; check the version and the log before changing settings.
Shaders and packs that fit together
Shaders change how the world looks; packs change what is in it. The pairings below are about load, not style: each pack already carries the mods that make the shader worth running.
| Pack | Why a shader fits | Watch out for |
|---|---|---|
| Studio | Camera, physics and slow pans. The pack exists for the screenshot. | Three pins; the native build may leave one mod out. |
| Skyline | Tectonic terrain and Distant Horizons LODs give a shader something to light. | The heaviest view distance in the catalog. Lower LODs before shadows. |
| Blackout | Dark caves and hard nights; light shafts and fog carry the mood. | A bright shader undoes the pack. Test at night, not at noon. |
| Wallpaper | Interiors with lamps and panels; soft light is the point. | Mostly an interior pack; outdoor shader presets matter less. |
| Featherweight | The laptop pack, when you want a shader and still want frames. | Pick the Lite shader. The full version defeats the pack. |
Pick the pack before the preset.
20 packs with shader-friendly setups
Filter by performance, adventure or screenshots, then check the pin count before the shader.
20 packsThe shader guide
What the .hshader format changes, where OptiFine habits fail, and how to compare two shaders on one machine.
guideResource packs
Two resource packs in the registry, plus why they are zips and shaders are not.
2 packsQuestions this page gets
Can I use an OptiFine or Iris shader zip in Horizon?
No. Horizon has its own renderer and its own shader API; an OptiFine or Iris zip targets Minecraft's pipeline and has nothing to hook into. Shader packs are published as .hshader packages for Horizon.
How many shader packs are available?
The registry snapshot behind this site lists 12 shader projects. Four of them have a full page here with version, hash, license and source link; the rest link to the author.
Do shaders go inside a modpack?
No. An .hpack manifest carries mods, versions and hashes, not shaders. Shader files are installed separately, per profile, and can be switched without touching the pack.
Will shaders work with Distant Horizons?
They can, but the two heaviest things in the catalog are a shader pack and Distant Horizons LODs. Test on your machine before committing to both: lower the LOD distance or pick a lighter shader first.
Where do I change the shader settings?
In the game's shader screen, not in the .hpack. Each shader ships its own options; the pack only decides which mods are installed.
Light the world, keep the frames.
Twelve shader packs, four with full pages. Install one into a profile, compare it against the Lite variant, and decide with your own frame counter.