A shaderpack for Iris that accurately recreates the vanilla look. Base-Shader is a vanilla like pack from Bestsoft100. It targets potato-tier hardware and up and runs through Iris or OptiFine on Minecraft 1.21 – 1.21.1. Licensed CC0-1.0, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Base-Shader

1. 1Install a shader loader for Minecraft 1.21 – 1.21.1 — Iris (pairs with Sodium) or OptiFine. Base-Shader is a shaderpack, so it needs a loader to run.
2. 2Download the Base-Shader .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select Base-Shader.

First time? How to install Minecraft shaders

Performance & what to expect

Base-Shader is rated potato performance impact. It is the lightest tier in the catalogue — it runs on integrated graphics and older laptops. The look is vanilla like.

More vanilla like shaders

Baseline ShaderMedium impact · by JoaquiXBaked Potato ShadersPotato impact · by GenWasTakenHaze ShaderLow impact · by SmyightCartoonikalMedium impact · by TektonikalBlue's Core Shadersby BluebirdAdaptive OutlineMedium impact · by RodAnfatine

Base-Shader is created by Bestsoft100 and mirrored here under its CC0-1.0 licence. MineSpecs is an unofficial fan project and is not affiliated with Bestsoft100, Mojang Studios or Microsoft.