This tool will not be updated. There is an updated loot table evaluator (among others) here.

Loot Table Guide
Player's "generic.luck" attribute value:

Pools

Total pools 1
Total minimum rolls 1
Total maximum rolls 1
Total minimum bonus rolls 0
Total maximum bonus rolls 0
Total weight 24
Total positive quality 0
Total negative quality 1
Total zero quality 2
Quality sum (positive) 0
Quality sum (negative) -4
Total luck-adjusted weight 20

Entries

"item" 2
"loot_table" 0
"empty" 0
Invalid entries: 1
Total entries 3

Functions

"enchant_randomly" 0
"enchant_with_levels" 0
"furnace_smelt" 0
"looting_enchant" 0
"set_count" 0
"set_damage" 0
"set_data" 0
"set_nbt" 0
"set_attributes" 0
Invalid functions: 0
Total functions 0

Conditions

"entity_properties" 0
"entity_scores" 0
"killed_by_player" 0
"random_chance" 0
"random_chance_with_looting" 0
Invalid conditions: 0
Total conditions 0

Pool 1

Rolls: 1
Bonus rolls: 0
Total conditions: 0

Entries

Total weight: 24
Total functions: 0
Total conditions: 0
"item": 2
"invalid": 1
Total entries: 3

List

Entry 1: item
Type: item
Name: minecraft:stone
Weight: 19 (79.167%)
Quality: -4
Weight (adjusted): 15 (75.000%) change of -4.167%
Entry 2: item
Type: item
Name: minecraft:diamond
Weight: 1 (4.167%)
Weight (auto-adjusted): 1 (5.000%) change of 0.833%
Entry 3: not_a_valid_type
Type: not_a_valid_type
Name: minecraft:fish
Weight: 4 (16.667%)
Weight (auto-adjusted): 4 (20.000%) change of 3.333%
Type "not_a_valid_type" is invalid, must be "item", "loot_table", or "empty".