diff --git a/utils/check_json.sh b/utils/check_json.sh
new file mode 100755
index 00000000..4378a4f2
--- /dev/null
+++ b/utils/check_json.sh
@@ -0,0 +1,26 @@
+#!/bin/bash -e
+
+# check_json.sh <database a> <database b>
+#
+# Tool for comparing database JSON outputs from two database's.
+
+DIR_A=$1
+DIR_B=$2
+
+for A_JSON_IN in $( ls ${DIR_A}/*.json ); do
+    A_JSON_OUT="$(mktemp)_a"
+    B_JSON_OUT="$(mktemp)_b"
+
+    B_JSON_IN="${DIR_B}/$(basename ${A_JSON_IN})"
+
+    if [ ! -f "${B_JSON_IN}" ]; then
+        echo "${B_JSON_IN} not found!"
+        continue
+    fi
+
+    python3 -m utils.xjson ${A_JSON_IN} > ${A_JSON_OUT}
+    python3 -m utils.xjson ${B_JSON_IN} > ${B_JSON_OUT}
+
+    echo "Comparing $(basename ${A_JSON_IN})"
+    diff -U 3 ${A_JSON_OUT} ${B_JSON_OUT} || true
+done