diff --git a/d2warehouse/contrib/stats.py b/d2warehouse/contrib/stats.py
new file mode 100644
index 0000000..848e842
--- /dev/null
+++ b/d2warehouse/contrib/stats.py
@@ -0,0 +1,96 @@
+# Parse itemstatcost.txt and properties.txt into aggregated json.
+
+import csv
+import json
+import os
+import sys
+
+
+path = sys.argv[1] if len(sys.argv) >= 2 else "."
+
+# NOTE: These map "linked stats" to code in properties.txt.
+#       If None is given, the stat is excluded from the output.
+# Note that All Resistance is actually 4 stats in the save files, that the game combines
+# into one. Same applies for all stats.
+special_stats = {
+    "firemindam": "dmg-fire",
+    "firemaxdam": None,
+    "lightmindam": "dmg-ltng",
+    "lightmaxdam": None,
+    "magicmindam": "dmg-mag",
+    "magicmaxdam": None,
+    "coldmindam": "dmg-cold",
+    "coldmaxdam": None,
+    "coldlength": None,
+    "poisonmindam": "dmg-pois",
+    "poisonmaxdam": None,
+    "poisonlength": None,
+    "mindamage": "dmg-norm",
+    "maxdamage": None,
+}
+
+properties = {}
+stat_to_prop = {}
+with open(os.path.join(path, "properties.txt")) as f:
+    reader = csv.DictReader(f, delimiter="\t")
+    for row in reader:
+        if len(row["stat1"]) == 0 or len(row["*Tooltip"]) == 0:
+            continue
+        prop = {
+            "stats": [row[f"stat{i}"] for i in range(1, 8) if len(row[f"stat{i}"]) > 0],
+            "tooltip": row["*Tooltip"],
+        }
+        properties[row["code"]] = prop
+        if len(prop["stats"]) == 1 and prop["stats"][0] not in stat_to_prop:
+            stat_to_prop[prop["stats"][0]] = row["code"]
+
+itemstatcost = {}
+with open(os.path.join(path, "itemstatcost.txt")) as f:
+    reader = csv.DictReader(f, delimiter="\t")
+    for row in reader:
+        itemstatcost[row["Stat"]] = {
+            "id": row["*ID"],
+            "save_bits": 0 if len(row["Save Bits"]) == 0 else int(row["Save Bits"]),
+            "save_add": 0 if len(row["Save Add"]) == 0 else int(row["Save Add"]),
+            "save_param_bits": None
+            if len(row["Save Param Bits"]) == 0
+            else int(row["Save Param Bits"]),
+        }
+
+stats = {}
+for stat, statdat in itemstatcost.items():
+    if stat in special_stats:
+        if special_stats[stat] is None:
+            continue
+        else:
+            prop = properties[special_stats[stat]]
+            obj = {
+                "text": prop["tooltip"],
+                "save_bits": [],
+                "save_add": itemstatcost[prop["stats"][0]]["save_add"],
+                "save_param_bits": itemstatcost[prop["stats"][0]]["save_param_bits"],
+            }
+            for prop_stat in prop["stats"]:
+                if itemstatcost[prop_stat]["save_add"] != obj["save_add"]:
+                    print(
+                        f"Unexpected divergence in save_add for stats in prop {special_stats[stat]}"
+                    )
+                obj["save_bits"].append(itemstatcost[prop_stat]["save_bits"])
+    else:
+        try:
+            prop = properties[stat_to_prop[stat]]
+        except KeyError:
+            print(
+                f"Failed getting property for stat {stat}. Skipping! (See `special_stats` for fixing)"
+            )
+            continue
+        obj = {
+            "text": prop["tooltip"],
+            "save_bits": [statdat["save_bits"]],
+            "save_add": statdat["save_add"],
+            "save_param_bits": statdat["save_param_bits"],
+        }
+    stats[statdat["id"]] = obj
+
+with open("stats.json", "w", newline="\n") as f:
+    json.dump(stats, f, indent=4)