Below is a list of known block IDs in game and what block names they represent.
| ID | Hex | Block Name |
|---|---|---|
| 0 | 00 | air |
| 1 | 01 | stone |
| 2 | 02 | grass |
| 3 | 03 | dirt |
| 4 | 04 | cobblestone |
| 5 | 05 | planks |
| 6 | 06 | sapling |
| 7 | 07 | bedrock |
| 8 | 08 | flowing_water |
| 9 | 09 | water |
| 10 | 0a | flowing_lava |
| 11 | 0b | lava |
| 12 | 0c | sand |
| 13 | 0d | gravel |
| 14 | 0e | gold_ore |
| 15 | 0f | iron_ore |
| 16 | 10 | coal_ore |
| 17 | 11 | log |
| 18 | 12 | leaves |
| 19 | 13 | sponge / sponge.dry |
| 20 | 14 | glass |
| 21 | 15 | lapis_ore |
| 22 | 16 | lapis_block |
| 23 | 17 | dispenser |
| 24 | 18 | sandstone |
| 25 | 19 | noteblock |
| 26 | 1a | bed |
| 27 | 1b | golden_rail |
| 28 | 1a | detector_rail |
| 29 | 1d | sticky_piston |
| 30 | 1e | web |
| 31 | 1f | tallgrass |
| 32 | 20 | deadbush |
| 35 | 23 | wool |
| 37 | 25 | yellow_flower |
| 38 | 26 | red_flower |
| 40 | 28 | red_mushroom |
| 41 | 29 | gold_block |
| 42 | 2a | iron_block |
| 43 | 2b | double_stone_slab |
| 44 | 2c | stone_slab |
| 45 | 2d | brick_block |
| 46 | 2e | tnt |
| 47 | 2f | bookshelf |
| 48 | 30 | mossy_cobblestone |
| 49 | 31 | obsidian |
| 50 | 32 | torch |
| 51 | 33 | fire |
| 52 | 34 | mob_spawner |
| 53 | 35 | oak_stairs |
| 54 | 36 | chest |
| 55 | 37 | redstone_wire |
| 56 | 38 | diamond_ore |
| 57 | 39 | diamond_block |
| 58 | 3a | crafting_table |
| 59 | 3b | wheat |
| 60 | 3c | farmland |
| 61 | 3d | furnace |
| 63 | 3f | standing_sign |
| 65 | 41 | ladder |
| 66 | 42 | rail |
| 67 | 43 | stone_stairs |
| 68 | 44 | wall_sign |
| 70 | 46 | stone_pressure_plate |
| 71 | 47 | iron_door |
| 73 | 49 | redstone_ore |
| 74 | 4a | lit_redstone_ore |
| 76 | 4c | redstone_torch |
| 77 | 4d | stone_button |
| 78 | 4e | snow_layer |
| 79 | 4f | ice |
| 80 | 50 | snow |
| 81 | 51 | cactus |
| 82 | 52 | clay |
| 83 | 53 | reeds |
| 85 | 55 | fence |
| 86 | 56 | pumpkin |
| 87 | 57 | netherrack |
| 88 | 58 | soul_sand |
| 89 | 59 | glowstone |
| 91 | 5b | lit_pumpkin |
| 93 | 5d | unpowered_repeater |
| 94 | 5e | powered_repeater |
| 96 | 60 | trapdoor |
| 98 | 62 | stonebrick |
| 99 | 63 | brown_mushroom_block |
| 100 | 64 | red_mushroom_block |
| 101 | 65 | iron_bars |
| 102 | 66 | glass_pane |
| 103 | 67 | melon_block |
| 104 | 68 | pumpkin_stem |
| 105 | 69 | melon_stem |
| 106 | 6a | vine |
| 108 | 6c | brick_stairs |
| 109 | 6d | stone_brick_stairs |
| 110 | 6e | mycelium |
| 111 | 6f | waterlily |
| 112 | 70 | nether_brick |
| 113 | 71 | nether_brick_fence |
| 114 | 72 | nether_brick_stairs |
| 116 | 74 | enchanting_table |
| 117 | 75 | brewing_stand |
| 118 | 76 | cauldron |
| 123 | 7b | redstone_lamp |
| 125 | 7d | dropper |
| 127 | 7f | cocoa |
| 128 | 80 | sandstone_stairs |
| 129 | 81 | emerald_ore |
| 133 | 85 | emerald_block |
| 134 | 86 | spruce_stairs |
| 135 | 87 | birch_stairs |
| 136 | 88 | jungle_stairs |
| 137 | 89 | stonefloor_slab |
| 139 | 8b | cobblestone_wall |
| 140 | 8c | flower_pot |
| 141 | 8d | carrots |
| 144 | 90 | skull |
| 145 | 91 | anvil |
| 149 | 95 | unpowered_comparator |
| 150 | 96 | powered_comparator |
| 152 | 98 | redstone_block |
| 153 | 99 | quartz_ore |
| 155 | 9b | quartz_block |
| 156 | 9c | quartz_stairs |
| 157 | 9d | double_wooden_slab |
| 158 | 9e | wooden_slab |
| 159 | 9f | stained_hardened_clay |
| 161 | a1 | leaves2 |
| 162 | a2 | log2 |
| 163 | a3 | acacia_stairs |
| 164 | a4 | dark_oak_stairs |
| 167 | a7 | iron_trapdoor |
| 170 | aa | hay_block |
| 171 | ab | carpet |
| 172 | ac | hardened_clay |
| 173 | ad | coal_block |
| 174 | ae | packed_ice |
| 175 | af | double_plant |
| 179 | b3 | red_sandstone |
| 180 | b4 | red_sandstone_stairs |
| 181 | b5 | double_stone_slab2 |
| 182 | b6 | stone_slab2 |
| 183 | b7 | spruce_fence_gate |
| 184 | b8 | birch_fence_gate |
| 185 | b9 | jungle_fence_gate |
| 186 | ba | dark_oak_fence_gate |
| 187 | bb | acacia_fence_gate |
| 193 | c1 | spruce_door |
| 194 | c2 | birch_door |
| 195 | c3 | jungle_door |
| 196 | c4 | acacia_door |
| 197 | c5 | dark_oak_door |
| 198 | c6 | grass_path |
| 199 | c7 | frame |
| 224 | e0 | custom_0 |
| 225 | e1 | custom_1 |
| 226 | e2 | custom_2 |
| 227 | e3 | custom_3 |
| 228 | e4 | custom_4 |
| 229 | e5 | custom_5 |
| 230 | e6 | custom_6 |
| 231 | e7 | custom_7 |
| 232 | e8 | custom_8 |
| 233 | e9 | custom_9 |
| 234 | ea | custom_10 |
| 235 | eb | custom_11 |
| 236 | ec | custom_12 |
| 237 | ed | custom_13 |
| 238 | ee | custom_14 |
| 239 | ef | custom_15 |
| 243 | f3 | podzol |
| 244 | f4 | beetroot |
| 245 | f5 | stonecutter |
| 246 | f6 | glowingobsidian |
| 247 | f7 | netherreactor |
| 248 | f8 | info_update |
| 249 | f9 | info_update2 |
| 250 | fa | movingblock |
| 251 | fb | observer |
| 255 | ff | reserved6 |