What used to take several minutes of typing and cross-referencing item IDs now takes seconds.
“CIT's conditions are also more static... while [alternatives like] Chime have more dynamic conditions, allowing creators to change the item's look based on its surroundings!” Medium · bangetto · 2 years ago [Optifine] CIT Generator Tool
Many generators allow users to create multiple name-based variants for a single item quickly, which is perfect for "furniture" packs that use renamed items to represent things like chairs or tables. What used to take several minutes of typing
With Minecraft's 1.21.4+ snapshots, Mojang has introduced "Custom Model Data" and "Item States" to vanilla, which perform similar functions without needing Optifine. This makes Optifine-specific tools slightly less future-proof. Community Perspectives [Optifine] CIT Generator Tool