Use the stonecutter to cut deepslate and stone to their cobbled variants and their subordinate blocks, i.e. crafting Deepslate Tilewalls from Deepslate directly.

!New Stonecutter Crafting Recipes of Deepslate

!New Stonecutter Crafting Recipes of Stone

If you like this pack, you might want to check out my Woodcutter allowing you to cut wood down to its respective blocks.