diff --git a/app/config.py b/app/config.py
index 5fe754a..e0d521c 100644
--- a/app/config.py
+++ b/app/config.py
@@ -89,6 +89,10 @@ class Config:
     # FLOOD-001: Maximum entries in anti-flood request list (memory DoS protection)
     ANTIFLOOD_MAX_ENTRIES = int(os.environ.get("FLASKPASTE_ANTIFLOOD_MAX_ENTRIES", "10000"))
 
+    # URL shortener settings
+    SHORT_ID_LENGTH = int(os.environ.get("FLASKPASTE_SHORT_ID_LENGTH", "8"))
+    SHORT_URL_MAX_LENGTH = int(os.environ.get("FLASKPASTE_SHORT_URL_MAX", "2048"))
+
     # URL prefix for reverse proxy deployments (e.g., "/paste" for mymx.me/paste)
     URL_PREFIX = os.environ.get("FLASKPASTE_URL_PREFIX", "").rstrip("/")