diff --git a/pyrogram/client/utils.py b/pyrogram/client/utils.py
new file mode 100644
index 00000000..f4f9a505
--- /dev/null
+++ b/pyrogram/client/utils.py
@@ -0,0 +1,17 @@
+from pyrogram.api import types
+
+
+def get_peer_id(input_peer) -> int:
+    return (
+        input_peer.user_id if isinstance(input_peer, types.InputPeerUser)
+        else -input_peer.chat_id if isinstance(input_peer, types.InputPeerChat)
+        else int("-100" + str(input_peer.channel_id))
+    )
+
+
+def get_input_peer(peer_id: int, access_hash: int = 0):
+    return (
+        types.InputPeerUser(peer_id, access_hash) if peer_id > 0
+        else types.InputPeerChannel(int(str(peer_id).lstrip("-100")), access_hash) if str(peer_id).startswith("-100")
+        else types.InputPeerChat(-peer_id)
+    )