The Fullbright 1.12.2 mod is fully compatible with OptiFine. Install OptiFine as a .jar in the mods folder first, then add Fullbright second.
This is the standalone, no-frills version. It adds a simple toggle key (default: F or B ) that turns Fullbright on and off. It is lightweight (under 10 KB) and has no dependencies other than Minecraft Forge. fullbright 1.12.2 mod
This is the most debated aspect. On a or a private modded server where everyone agrees to use it, Fullbright is a harmless convenience mod. The Fullbright 1
