
Modrinth · Minecraft mod
Alloy Smelter
Adds a multi-block structure for smelting ores
Quick answer
Which Alloy Smelter release should I use?
Alloy Smelter 1.21.1-1.2.1 targets 1.21, 1.21.1 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Alloy Smelter required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Alloy Smelter 1.21.1-1.2.1 need?
1.21.1-1.2.1. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Alloy Smelter without breaking your instance.
Built for Alloy Smelter 1.21.1-1.2.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.21.1-1.2.1. It targets 1.21, 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.21.1-1.2.1. It opens that exact file at the source.
About this project
What does Alloy Smelter add?
Alloy Smelter
This mod adds 3 levels of multi-block structure for smelting ore, made of Bricks, made of Polished Blackstone, made of End Stone Bricks. All recipes from lower level forges work in higher level forges. In its basic configuration, it serves as a simple way to increase the speed of smelting ores, but you can add recipes and change block for forge as you see fit. These features are primarily intended for mod and modpack authors.

IMPORTANT
If you have an old version of the mod and you updated to the new version, where there are 5 slots in the forge, if you placed forge block in your world, the world will not start. Break all the forge blocks in your world, then update the mod.
There are only two smelting recipes for each vanilla ore for each forge level. When smelting one item, it can be placed in any slot in the forge. If a recipe contains 2+ items, the order in which they are placed in the slots is important.
Features
Forge automation
You can use both hoppers and blocks from other mods (ae2, etc.) to automate the forge. For the pattern provider (ae2): on any side except the top and bottom. For hoppers: the output slot is located inside the forge, and the input slot is on top. The hopper loads items into the input slots like a chest; the hopper does not have access to the fuel slot.
Change blocks for each level of the forge.
To change the blocks required for the forge, you need to add the required tag to the block. You can do this using datapack or kubejs.
Each forge level has its own BlockTag:
- Forge Tier 1:
alloy_smelter:alloy_smelter_blocks_tier1 - Forge Tier 2:
alloy_smelter:alloy_smelter_blocks_tier2 - Forge Tier 3:
alloy_smelter:alloy_smelter_blocks_tier3
Add custom fuel
If you want to add fuel for the smelter, just add this tag "alloy_smelter:alloy_smelter_fuel" to any other fuel.
Add and edit recipes for the forge
To create a recipe you can use datapacks or kubejs. Having created a json file with your recipe.
Example of json recipe
1.21.4
{
"type": "alloy_smelter:smelting",
"ingredients": [
{
"ingredient": "minecraft:raw_copper",
"count": 1
},
{
"ingredient": "minecraft:raw_iron",
"count": 2
}
],
"result": {
"id": "minecraft:diamond",
"count": 2
},
"smeltingTime": 200,
"fuelPerTick": 1,
"requiredTier": 2
}
1.21.1
{
"type": "alloy_smelter:smelting",
"ingredients": [
{
"ingredient": { "item": "minecraft:raw_copper" },
"count": 1
},
{
"ingredient": { "item": "minecraft:raw_iron" },
"count": 2
}
],
"result": {
"id": "minecraft:diamond",
"count": 2
},
"smeltingTime": 200,
"fuelPerTick": 1,
"requiredTier": 2
}
1.20.1
{
"type": "alloy_smelter:smelting",
"ingredients": [
{
"item": "minecraft:raw_copper",
"count": 1
},
{
"item": "minecraft:raw_iron",
"count": 2
}
],
"result": {
"item": "minecraft:diamond",
"count": 2
},
"smeltingTime": 200,
"fuelPerTick": 1,
"requiredTier": 2
}
Mod uses some resources from Alloy Forgery
Copyright (c) Wisp Forest, MIT License
My mod analog Alloy Forgery for Forge with my ideas and implementations.
Project description from Modrinth.
Pick your setup
Alloy Smelter by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.21
1 loader build1.20.6
1 loader build1.20.5
1 loader build1.20.4
1 loader build1.20.3
1 loader build1.20.2
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Alloy Smelter versions and loaders
1.21.1-1.2.1
alloy_smelter-neoforge-1.21.1-1.2.1.jar
15 Dec 2025
1.20.1-1.2.1
alloy_smelter-forge-1.20.1-1.2.1.jar
15 Dec 2025
1.21.1-1.2.0
alloy_smelter-neoforge-1.21.1-1.2.0.jar
24 Nov 2025
1.20.1-1.2.0
alloy_smelter-forge-1.20.1-1.2.0.jar
24 Nov 2025
1.21.1-1.1.6
alloy_smelter-neoforge-1.21.1-1.1.6.jar
23 Nov 2025
1.20.1-1.1.6
alloy_smelter-forge-1.20.1-1.1.6.jar
23 Nov 2025
1.21.1-1.1.5
alloy_smelter-neoforge-1.21.1-1.1.5.jar
30 Oct 2025
1.20.1-1.1.5
alloy_smelter-forge-1.20.1-1.1.5.jar
30 Oct 2025
1.21.1-1.1.4
alloy_smelter-neoforge-1.21.1-1.1.4.jar
5 Sept 2025
1.20.1-1.1.4
alloy_smelter-forge-1.20.1-1.1.4.jar
5 Sept 2025
1.21.1-1.1.3
alloy_smelter-neoforge-1.21.1-1.1.3.jar
1 Sept 2025
1.20.1-1.1.3
alloy_smelter-forge-1.20.1-1.1.3.jar
1 Sept 2025
Looking for an older file? The official Modrinth project page is in Resources.