Where Is It (Unofficial port)

Unofficial port for new versions Minecraft, as the original author hasn't updated the mod for a long time. Original Mod.

Minecraft mod to locate items in nearby inventories. Press Y over an item to search.

An example image of the mod showing 4 results

Features

Not required - vanilla clients can join without restricting mod users.
Detailed searching - search by item ID, name, item tag, fluid contents, enchantment, potions, and more, and any combination of the previous.
Server-side functionality - clients without the mod can use the command /whereis (default, changeable) to use the mod.
Support for recipe viewers, including the vanilla Recipe Book, and for JEI, REI, EMI:
- Ability to search for items containing specific fluids, and tags for recipes.
- Custom searches (search for enchantments using enchanted books, and potion effects using potions).
- Smart favourite handling - add a named Shulker Box in your favourites, and search for it regardless of the contents.

Press Y (by default) to search by item ID.

Hold shift to also search for NBT data.

Will search for tags in the recipe if applicable. If hovered over a fluid, will search for items containing said fluid.

Normally matches the inventory, however certain items contain different behavior:

Enchanted books will search for any items with that enchantment. Holding shift will specify the level as well.
Potions will search for the potion effect on any item. Holding shift will match the specific item.

Will try to look for the specific item by looking at name, enchantments or potion effects.