ModsFinder

Optimized Fullbright

by tricube

Optimized Fullbright turns off the lighting system on the client, so the whole world renders at full brightness with a single key press.

FabricForgeNeoForgeClient-side onlyMIT LicenseOpen source1.20 – 26.3

What it does

The mod disables the lighting calculation while it is active, which can raise frame rates in scenes with many block and light updates, such as large farms that use pistons. Pressing G toggles the effect, and the key can be changed in the controls settings. The F3 screen then reports light level 15 for every block, which shows the mod is working. The change is purely visual and does not alter other game mechanics. Installation needs Craft Config Lib on every loader and Fabric API on Fabric. It is client-side only, so servers do not need it, and it is released under the MIT License as open source for 1.20 – 26.3.

Key features

  1. Lighting disabled on demand

    The lighting system is switched off while the effect is on, so the client skips per-block light work.

  2. Toggle with a keybind

    The default key is G, and the binding can be changed in the controls menu like any other key.

  3. Visual change only

    Only brightness is affected. Redstone, physics and other game mechanics behave as in vanilla.

Compatibility

Latest build for each game version and loader.

26.x5 of 5 versions with builds
26.32.0.0+26.2-fabricNot availableNot available
26.22.0.0+26.2-fabricNot availableNot available
26.1.22.0.0+26.1-fabricNot available2.0.0+26.1-neoforge
26.1.12.0.0+26.1-fabricNot available2.0.0+26.1-neoforge
26.12.0.0+26.1-fabricNot available2.0.0+26.1-neoforge
1.21.x12 of 12 versions with builds
1.21.112.0.0+1.21.11-fabricNot available2.0.0+1.21.11-neoforge
1.21.102.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.92.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.82.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.72.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.62.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.52.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.42.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.32.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.22.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.21.12.0.0+1.21.1-fabricNot available2.0.0+1.21.1-neoforge
1.211.3.0Not available1.1.1
1.20.x7 of 7 versions with builds
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Craft Config LibA client-side configuration library that supports presets and built-in keybinds.
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Questions

Does Optimized Fullbright need Fabric API?

Fabric API is required on Fabric. Craft Config Lib is required on every loader, so both must be installed next to the mod.

In the catalog

Optimized Fullbright is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 8,071 mods support Minecraft 26.3.

Optimization mods3,545Fabric modsMods for 26.38,071

More from tricube

All projects
Craft Config Lib1.20.1 – 26.3Better Tab Info1.20 – 26.3Hologram API1.20.1 – 26.1.2Holo Damage Indicator1.20.1 – 26.1.2Better Multiplayer Sleep1.19 – 26.3Show My Recipes!1.16 – 26.3

Similar mods

Sodium1.16.3 – 26.3Iris Shaders1.16.5 – 26.3Entity Cullingb1.7.3 – 26.3FerriteCore1.16.5 – 26.3ImmediatelyFast1.18.2 – 26.3Sodium Extra1.16.2 – 26.3

What the author says

Because of this, F3 will display every block’s light level as 15, indicating that the mod is working. Of course, in normal gameplay the performance gap will be smaller. However, it can provide noticeable improvements in areas with huge amount of block/light updates, e.g. large scale farms that use pistons.
tricube, on the Modrinth page

Official listing

Owner
tricube
Published
2026-01-05
Updated on Modrinth
2026-09-16
Facts verified
2026-10-15

Tags

Game mechanicsOptimizationUtility
Open on ModrinthCompare