diff --git a/reindent.py b/reindent.py
new file mode 100644
index 00000000..6b543ca9
--- /dev/null
+++ b/reindent.py
@@ -0,0 +1,18 @@
+# reindent.py
+import sys
+
+in_path  = sys.argv[1]
+out_path = sys.argv[2]
+
+with open(in_path, 'r', encoding='utf-8') as f:
+    lines = f.readlines()
+
+fixed = []
+for line in lines:
+    # Tabs → 4 Spaces, Strip trailing Spaces
+    new = line.expandtabs(4).rstrip()
+    fixed.append(new + '\n')
+
+with open(out_path, 'w', encoding='utf-8') as f:
+    f.writelines(fixed)
+print(f"Neu eingerückt und gespeichert: {out_path}")