There are many great reasons to use a Fullbright texture pack, but there are also some important drawbacks to consider:
Search trusted community platforms like CurseForge, PlanetMinecraft, or ResourcePack.net for a "Fullbright 1.12.2" pack. Ensure the downloaded file is a .zip archive. minecraft 1.12.2 fullbright texture pack
Saves system resources compared to heavy shader mods. There are many great reasons to use a