diff --git a/common/src/main/java/net/lionarius/skinrestorer/util/StringUtils.java b/common/src/main/java/net/lionarius/skinrestorer/util/StringUtils.java
index c9c2772..a1c1f44 100644
--- a/common/src/main/java/net/lionarius/skinrestorer/util/StringUtils.java
+++ b/common/src/main/java/net/lionarius/skinrestorer/util/StringUtils.java
@@ -17,4 +17,8 @@ public final class StringUtils {
         
         return response.toString();
     }
+    
+    public static boolean isValidPlayerName(String playerName) {
+        return playerName.length() <= 16 && playerName.chars().filter(i -> i <= 32 || i >= 127).findAny().isEmpty();
+    }
 }