diff --git a/ethereum/keystore2priv.py b/ethereum/keystore2priv.py
new file mode 100755
index 0000000..6fef2e9
--- /dev/null
+++ b/ethereum/keystore2priv.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+import sys
+import binascii
+from web3.auto import w3
+
+keystore_password = sys.argv[1]
+keystore_file_path = sys.argv[2]
+
+with open(keystore_file_path) as keyfile:
+    encrypted_key = keyfile.read()
+    private_key = w3.eth.account.decrypt(encrypted_key, keystore_password)
+
+print(binascii.b2a_hex(private_key).decode('utf-8'))