diff --git a/tools/fix_sprite_xmls.py b/tools/fix_sprite_xmls.py
new file mode 100644
index 0000000000..c3a2f4d7f3
--- /dev/null
+++ b/tools/fix_sprite_xmls.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+
+import os
+import re
+import glob
+
+
+def process_file(file_path):
+    with open(file_path, "r") as file:
+        content = file.read()
+
+    # Skip files that already have fixed="true"
+    if 'fixed="true"' in content:
+        print(f"Skipped (already fixed): {file_path}")
+        return
+
+    # Add fixed="true" to the <SpriteSheet> tag
+    content = re.sub(r"(<SpriteSheet[^>]*?)>", lambda m: f'{m.group(1)} fixed="true">', content, count=1)
+
+    # Previous version mismatched loop iteration count and jump position, creating spurious labels in the process.
+    # Switch them back and use pos attribute to force fixed jump positions; leave the extra labels alone.
+    content = re.sub(
+        r'<Loop count="(\d+)" pos="(\d+)"/>', lambda m: f'<Loop count="{m.group(2)}" pos="{m.group(1)}"/>', content
+    )
+
+    content = re.sub(
+        r'<Loop count="(\d+)" dest="Pos_(\d+)"/>', lambda m: f'<Loop count="{m.group(2)}" pos="{m.group(1)}"/>', content
+    )
+
+    # Anim06 in Duplighost requires this
+    content = re.sub(r'<Loop count="(\d+)" dest="Start"/>', lambda m: f'<Loop count="0" pos="{m.group(1)}"/>', content)
+
+    # SetParent used decimal instead of hex for its indices, conflicting with the policy of SetRaster and SetPalette
+    content = re.sub(
+        r'<SetParent index="(\d+)"/>', lambda m: f'<SetParent index="{hex(int(m.group(1)))[2:].upper()}"/>', content
+    )
+
+    with open(file_path, "w") as file:
+        file.write(content)
+    print(f"Updated: {file_path}")
+
+
+def find_and_process_files():
+    script_dir = os.path.dirname(os.path.realpath(__file__))
+    root_dir = os.path.join(script_dir, "..")
+
+    base_dirs = [
+        os.path.join(root_dir, "assets", "*", "sprite", "npc"),
+        os.path.join(root_dir, "assets", "*", "sprite", "player"),
+    ]
+
+    for base_dir in base_dirs:
+        for root_dir in glob.glob(base_dir):
+            for root, _, files in os.walk(root_dir):
+                for file in files:
+                    if file.endswith(".xml"):
+                        file_path = os.path.join(root, file)
+                        process_file(file_path)
+
+
+if __name__ == "__main__":
+    find_and_process_files()
+    print("Done. :)")