Light Level 2025 Mod (1.21.8, 1.21.5) is a lightweight and efficient client-side tool that allows players to visualize block light levels directly above every solid block in Minecraft. With a simple press of the F9 key, this mod reveals whether a block is dark enough to allow hostile mobs to spawn, enabling better control of lighting in your builds and enhancing survival gameplay. Inspired by the original LightLevel mod by Parzivail, this modern version offers enhanced compatibility and improved visuals tailored to the latest versions of Minecraft.
By providing real-time, color-coded light overlays, this mod is essential for builders, redstone engineers, and survival players who want to prevent unwanted mob spawns and ensure optimal lighting in their structures. Its lightweight design ensures minimal performance impact, even in complex builds or modpacks.

Features:
- Press F9 to toggle the light level display above every solid block.
- Displays block light values, helping identify spawnable and safe zones.
- Color-coded overlay makes it easy to understand where mobs can spawn:
- Red: Light level 0 (mobs can spawn anytime).
- Yellow: Light level ≤ 7 (mobs can spawn in darkness).
- Green: Safe zone.
- Compatible with modern Minecraft versions, built for Fabric loader.
- Inspired by the original LightLevel mod but rebuilt for 2025 with better performance and configurable settings.
- Ideal for survival base building, farms, and cave lighting optimization.
Screenshots:









Crafting Recipes:
We recommend installing Just Enough Items (for Forge-based mods) or Roughly Enough Items (for mods using the Fabric modloader) to view all available recipes in this mod.
Requires:
How to install:
How To Download & Install Mods with Minecraft Forge
How To Download & Install Fabric Mods
How To Download & Install The Quilt Loader
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Why use Light Level 2025 Mod?
If you’ve ever had mobs spawning inside your base or around your builds, you know how frustrating poor lighting can be. Light Level 2025 takes the guesswork out of managing spawn conditions. With a single keypress, you can instantly highlight dangerous blocks that need more light, allowing for quick lighting fixes and safer builds. Its seamless integration into the game and up-to-date code make it a must-have utility mod for anyone who plays on survival or builds without mob-proof floors.
FAQs
What does Light Level 2025 Mod show?
It displays the block light level above each solid block, helping you identify areas where mobs can spawn due to low light.
How do I toggle the light overlay?
Press the F9 key while in-game to activate or deactivate the overlay.
Does this mod impact performance?
No, it’s optimized for modern systems and designed to run efficiently even in large builds or modded environments.
Is Light Level 2025 Mod compatible with shaders or other HUD mods?
Yes, it’s generally compatible, but depending on your shaders or HUD overlays, you may need to adjust display settings to avoid visual conflict.
Can I change the keybinding from F9?
Yes, you can change it in the Minecraft controls settings just like any other keybinding.
Download links
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file
- Fabric Version:download Download file