This mod add two blocks, the uncrafter and the advanced uncrafter.
These blocks allow items to be uncrafted.
The uncrafter allow only one ingredient to be retrieved.
The advanced uncrafter allow three ingredients and three enchantments (only if the item has enchantments) to be retrieved.
The mod come with a configuration (in the world save folder).
You can modify the amount of ingredient retrievable in the uncrafter and the advanced uncrafter, blacklist/whitelist items to be uncrafted, and reduce enchantments to their first level in the advanced uncrafter.
1.18+:
The uncrafter import items from the container (chest, hopper, ...) above and export uncrafted items to the container below.
You have to select the slots to determine which slots to use to retrieve the uncrafted items. To select a slot, click on it when it's empty.
If you didn't select x slots (with x being the amount of items retrievable), it will select the items in order, but only if at least one slot is selected.