
Torch Optimizer Mod 1.17.1, 1.16.5 shows numbers on the ground to help you to place torches or other light sources for maximum mob spawning blockage. (Allows you to visualize the intensity of light rendered as numbers on the top of blocks. Optionally display optimal placement of torches.)

Instructions:
The default shortcut key to turn on/off light level overlay is F7. You can change it in “Options -> Controls”.
You can use Shift + F7 to toggle skylight calculation. Ctrl + F7 to toggle overlay display.
If you enable optimizeEnable in the GUI config you will get an asterisk placement on the ground at position number 2. However, you can further change where the placement will be from 0 to 15.
Screenshots:










Torch Optimizer Mod 1.17.1, 1.16.5 Download Links
For Minecraft 1.10.2
For Minecraft 1.11.2
For Minecraft 1.17.1
For Minecraft 1.16.5
For Minecraft 1.14.4
For Minecraft 1.12.2
For Minecraft 1.13.2
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.17.1, 1.16.5
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
- Downloads as 208106.mcaddon
- Download size: 293 KB
- Download link checked 30 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.