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Ultra Lite Shadows Shaders for Minecraft 1.20.1, 1.21.1

A high performence and low-end/potato pc friendly shader pack.

downloads
5 downloads
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106 views
Updated
Updated 04.09.2026

Works even on an low end pc

With and Without Ultra Lite Shadows

Features

  • True Cave Shadows: Adds depth and darkness to underground areas.
  • Warm Amber Torchlight: Custom light math that creates cozy, natural interiors without overexposing your screen.
  • Potato-PC Optimized: Engineered to run smoothly on integrated graphics (50+ FPS).
Ultra Lite Shadows — screenshot 3

Requirements

Ultra Lite Shadows — screenshot 4
1 / 2

How to install Ultra Lite Shadows

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the shaders for Minecraft 1.20–1.21.11 automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Iris

    Without a shader mod the game cannot see shaders. Install it for the same Minecraft version.

  2. Download the shader archive

    Pick the file Ultra-Lite-Shadows.zip (12 KB) and do not unpack it.

  3. Put it in the shaderpacks folder

    “Options”, then “Video Settings”, then “Shader Packs”, then “Open Shader Pack Folder”, and drag the archive there.

  4. Select the shaders

    In the same window, click the pack name and “Apply”.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.21Iris1.2112.4 KB 4
1.20.1Iris1.20.112.4 KB 1
1.21.11Iris1.21.1112.4 KB—

FAQ

Which Minecraft versions does Ultra Lite Shadows work on?

There are files for 1.20–1.21.11, 19 versions in total. The newest is 1.21.11.

What do I need to run Ultra Lite Shadows?

Shaders are loaded through Iris: without it the game cannot see them.

Where can I download Ultra Lite Shadows safely?

On this page: the file Ultra-Lite-Shadows.zip (12 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 463bf8436f99f84e327f07b1c305c8b0c3ce1acd.

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