diff --git a/key_create_dunikey.py b/key_create_dunikey.py
new file mode 100644
index 0000000..af2b340
--- /dev/null
+++ b/key_create_dunikey.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+# This Python script gets Duniter creddentials as arguments, and writes a PubSec file that should be compatible with Cesium and Silkaj(DuniterPy) clients.
+# launch with :
+# python3 key_create_dnuikey.py <id> <mdp>
+
+# depends on duniterpy 0.56
+
+### Licence - WTFPL
+# This script was written my Matograine, in the hope that it will be helpful.
+# Do What The Fuck you like with it. There is :
+#  * no guarantee that this will work
+#  * no support of any kind
+#
+# If this is helpful, please consider making a donation to the developper's pubkey : 78ZwwgpgdH5uLZLbThUQH7LKwPgjMunYfLiCfUCySkM8
+# Have fun
+
+from sys import argv
+from duniterpy.key import SigningKey
+
+# path to save to
+path = "./.secret.dunikey"
+
+key = SigningKey.from_credentials(argv[1], argv[2], None)
+key.save_pubsec_file(path)
+print(
+    "G1 Wallet: ",
+    key.pubkey,
+)