diff --git a/post-correction.py b/post-correction.py
new file mode 100644
index 0000000..677bb50
--- /dev/null
+++ b/post-correction.py
@@ -0,0 +1,60 @@
+import sys
+import os
+import time
+from pathlib import Path
+import argparse
+
+if len(sys.argv) < 2:
+    sys.exit("Usage: python script.py <InputDir>")
+
+arg_path = Path(sys.argv[1])
+tasks = [] # List of tuples: (filepath_str, label_str)
+results = {}
+
+INPUT_DIR = str(arg_path)
+if not arg_path.exists():
+    sys.exit(f"Directory {INPUT_DIR} not found.")
+
+import ftfy
+import ftfy
+
+clean = ftfy.fix_text(text.replace("\x00", ""))
+
+import json
+import ftfy
+
+INPUT_FILE = Path(INPUT_DIR) / "correction.json"
+OUPUT_FILE = Path(INPUT_DIR) / "fixed_correction.json"
+
+
+def clean_string(s: str) -> str:
+    # remove null bytes
+    s = s.replace("\x00", "")
+    # fix encoding issues
+    s = ftfy.fix_text(s)
+    return s
+
+
+def clean_obj(obj):
+    if isinstance(obj, str):
+        return clean_string(obj)
+
+    elif isinstance(obj, list):
+        return [clean_obj(x) for x in obj]
+
+    elif isinstance(obj, dict):
+        return {k: clean_obj(v) for k, v in obj.items()}
+
+    else:
+        return obj
+
+
+with open(INPUT_FILE, "r", encoding="utf-8") as f:
+    data = json.load(f)
+
+data = clean_obj(data)
+
+with open(OUTPUT_FILE, "w", encoding="utf-8") as f:
+    json.dump(data, f, ensure_ascii=False, indent=2)
+
+print("Fixed JSON saved to", OUTPUT_FILE)