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Minecraft Shaders โ€” OptiFine & Iris Compatible | ShaderBot

Create custom Minecraft shaders with ShaderBot. 50+ presets, Vibrant Visuals, OptiFine and Iris compatible, automatic shader pack generation. Free.

Minecraft Shader Features

๐ŸŽฎ Vibrant Visuals ready

ShaderBot for Minecraft Creators

The shader tool built for what comes after the pack. Generate, prototype and export custom GLSL shaders for Minecraft โ€” generate code in seconds, then iterate in-game.

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Who it's for

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Minecraft Streamers

Generate animated overlays and backgrounds that match your Minecraft aesthetic. Unique visuals for every stream, no design skills needed.

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Server Admins

Bring your Discord server to life with shader art in every channel. All members get access when you add ShaderBot.

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Modders & Resource Pack Creators

Prototype visual effects in GLSL, iterate fast with AI, export directly to your OptiFine/Iris pipeline.

Minecraft exports ready to ship

Shaders, packs, and metadata in clean outputs without manual cleanup.

Core Shader (vanilla)Core Shader (vanilla)Core Shader Pack

.fsh + .vsh + pack.mcmeta in assets/minecraft/shaders/core/ โ€” no mod needed. Limited to block/geometry rendering overrides; no post-processing or dynamic lighting.

OptiFine / IrisOptiFine / IrisShaderpack

composite.fsh starting point with colortex0, depthtex0, screenSize uniforms declared. Requires an existing shaderpack structure (shaders.properties + other programs) to function as a complete pack.

Vibrant Visuals PBRVibrant Visuals PBRPBR Textures

Emissive + Normal + Specular maps following Vibrant Visuals (1.21.4+) PBR conventions. Manual review and adjustment required to match your specific resource pack textures.

pack.mcmetapack.mcmetaMetadata

Resource pack descriptor โ€” downloadable standalone.

Fabric mod descriptorFabric mod descriptorfabric.mod.json

fabric.mod.json metadata template for Fabric-based projects. Note: Iris shaderpacks are standalone ZIPs, not Fabric mods โ€” this file is only relevant if packaging a companion Fabric mod alongside a shaderpack.

Overlay PNG / WebMOverlay PNG / WebMStream Overlay

Minecraft-aesthetic animated overlay for OBS and streaming apps.