diff --git a/generate_fwu_metadata.py b/generate_fwu_metadata.py
new file mode 100755
index 0000000..5e269a8
--- /dev/null
+++ b/generate_fwu_metadata.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+# Copyright (c) 2024, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+# Generate FWU metadata Version 1.
+
+import argparse
+import uuid
+import zlib
+import os
+import ast
+
+def gen_fwu_metadata(metadata_file, image_data):
+    def add_field_to_metadata(value):
+        # Write the integer values to file in little endian representation
+        with open(metadata_file, "ab") as fp:
+            fp.write(value.to_bytes(4, byteorder='little'))
+
+    def add_uuid_to_metadata(uuid_str):
+        # Validate UUID string and write to file in little endian representation
+        uuid_val = uuid.UUID(uuid_str)
+        with open(metadata_file, "ab") as fp:
+            fp.write(uuid_val.bytes_le)
+
+    # Delete the metadata_file if it exists
+    if os.path.exists(metadata_file):
+        os.remove(metadata_file)
+
+    # Fill metadata preamble
+    add_field_to_metadata(1) #fwu metadata version=1
+    add_field_to_metadata(0) #active_index=0
+    add_field_to_metadata(0) #previous_active_index=0
+
+    for img_type_uuid, location_uuid, img_uuids in image_data:
+        # Fill metadata image entry
+        add_uuid_to_metadata(img_type_uuid) # img_type_uuid
+        add_uuid_to_metadata(location_uuid) # location_uuid
+
+        for img_uuid in img_uuids:
+            # Fill metadata bank image info
+            add_uuid_to_metadata(img_uuid) # image unique bank_uuid
+            add_field_to_metadata(1)       # accepted=1
+            add_field_to_metadata(0)       # reserved (MBZ)
+
+     # Prepend CRC32
+    with open(metadata_file, 'rb+') as fp:
+        content = fp.read()
+        crc = zlib.crc32(content)
+        fp.seek(0)
+        fp.write(crc.to_bytes(4, byteorder='little') + content)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('--metadata_file', required=True,
+                        help='Output binary file to store the metadata')
+    parser.add_argument('--image_data', required=True,
+                         help='image data in a format <img_type_uuid, \
+                               location_uuid, <img_id1, img_id2, ...>')
+
+    args = parser.parse_args()
+
+    # evaluated the string containing the python literals
+    image_data = ast.literal_eval(args.image_data)
+    if not isinstance(image_data, list):
+            raise argparse.ArgumentError("Invalid input format. \
+                                          Please provide a valid list.")
+
+    gen_fwu_metadata(args.metadata_file, image_data)