diff --git a/README.md b/README.md
index bb1c346..6011135 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ Pseudomatic is a Python-based tool for generating pseudonyms based on a seed str
   - Ukrainian (`ua`)
 - Generates pseudonyms in the format: `Adjective Noun` (e.g., "Brave Fox" or "Хоробрий Лис").
 - Deterministic output: the same seed and language will always produce the same pseudonym.
+- Supports random pseudonym generation when no seed is provided.
 
 ## Installation
 
@@ -46,6 +47,14 @@ print(pseudonym_en)  # Example: "Brave Fox"
 pseudonym_ua = pseudonym("JohnDoe", language="ua")
 print(pseudonym_ua)  # Example: "Хоробрий Лис"
 
+# Generate a random pseudonym (no seed provided)
+random_pseudonym = pseudonym(language="en")
+print(random_pseudonym)  # Example: "Curious Elephant"
+
+# Generate a random pseudonym in Ukrainian
+random_pseudonym_ua = pseudonym(language="ua")
+print(random_pseudonym_ua)  # Example: "Цікавий Слон"
+
 # Use different themes
 business_pseudonym = pseudonym("JohnDoe", language="en", theme="business")
 market_pseudonym = pseudonym("JohnDoe", language="ua", theme="market")
diff --git a/pseudomatic/__init__.py b/pseudomatic/__init__.py
index 93c9fa2..d2cca9d 100644
--- a/pseudomatic/__init__.py
+++ b/pseudomatic/__init__.py
@@ -1,4 +1,5 @@
 import hashlib
+import uuid
 
 from . import names
 
@@ -17,12 +18,13 @@
     }
 }
 
-def pseudonym(seed: str, language: str = "en", theme: str = 'default') -> str:
+def pseudonym(seed: str = None, language: str = "en", theme: str = 'default') -> str:
     """
     Generate a pseudonym based on a seed string and language.
+    If seed is None or empty, a random seed will be generated.
 
     Args:
-        seed (str): The input seed string.
+        seed (str, optional): The input seed string. If None or empty, a random seed will be generated.
         language (str): The language code ("en" for English, "ua" for Ukrainian).
         theme (str): The theme for the pseudonym ("default", "business", or "market").
 
@@ -34,6 +36,10 @@ def pseudonym(seed: str, language: str = "en", theme: str = 'default') -> str:
 
     adjectives, nouns, gender = LANGUAGES[theme][language]
 
+    # Generate a random seed if none is provided
+    if seed is None or seed == "":
+        seed = str(uuid.uuid4())
+
     # Hash the seed using SHA-256
     hash_bytes = hashlib.sha256(seed.encode('utf-8')).digest()
     number = int.from_bytes(hash_bytes, byteorder="big")
@@ -49,4 +55,3 @@ def pseudonym(seed: str, language: str = "en", theme: str = 'default') -> str:
 
     # Combine into a pseudonym
     return f"{adjective} {noun}"
-
diff --git a/tests/test_pseudomatic.py b/tests/test_pseudomatic.py
index 58c8864..a684067 100644
--- a/tests/test_pseudomatic.py
+++ b/tests/test_pseudomatic.py
@@ -10,7 +10,7 @@ def test_pseudonym_generation(self):
         result1 = pseudonym(seed)
         result2 = pseudonym(seed)
         self.assertEqual(result1, result2)
-        
+
     def test_different_seeds(self):
         # Test that different seeds produce different pseudonyms
         seed1 = "test-seed-1"
@@ -18,38 +18,68 @@ def test_different_seeds(self):
         result1 = pseudonym(seed1)
         result2 = pseudonym(seed2)
         self.assertNotEqual(result1, result2)
-        
+
     def test_language_support(self):
         # Test English language
         seed = "test-seed"
         en_result = pseudonym(seed, language="en")
         self.assertIsInstance(en_result, str)
         self.assertTrue(len(en_result) > 0)
-        
+
         # Test Ukrainian language
         ua_result = pseudonym(seed, language="ua")
         self.assertIsInstance(ua_result, str)
         self.assertTrue(len(ua_result) > 0)
-        
+
         # Test that different languages produce different results
         self.assertNotEqual(en_result, ua_result)
-        
+
     def test_theme_support(self):
         # Test different themes
         seed = "test-seed"
         default_result = pseudonym(seed, theme="default")
         business_result = pseudonym(seed, theme="business")
         market_result = pseudonym(seed, theme="market")
-        
+
         # Test that different themes produce different results
         self.assertNotEqual(default_result, business_result)
         self.assertNotEqual(default_result, market_result)
         self.assertNotEqual(business_result, market_result)
-        
+
     def test_invalid_language(self):
         # Test that an invalid language raises a ValueError
         with self.assertRaises(ValueError):
             pseudonym("test-seed", language="invalid")
 
+    def test_no_seed_provided(self):
+        # Test that calling pseudonym() without a seed returns a non-empty string
+        result = pseudonym()
+        self.assertIsInstance(result, str)
+        self.assertTrue(len(result) > 0)
+
+        # Test that calling pseudonym() with an empty string also generates a pseudonym
+        result_empty = pseudonym("")
+        self.assertIsInstance(result_empty, str)
+        self.assertTrue(len(result_empty) > 0)
+
+    def test_random_pseudonyms_are_different(self):
+        # Test that calling pseudonym() multiple times returns different pseudonyms
+        result1 = pseudonym()
+        result2 = pseudonym()
+        self.assertNotEqual(result1, result2)
+
+        # Test with different languages
+        en_result = pseudonym(language="en")
+        ua_result = pseudonym(language="ua")
+        self.assertNotEqual(en_result, ua_result)
+
+        # Test with different themes
+        default_result = pseudonym(theme="default")
+        business_result = pseudonym(theme="business")
+        market_result = pseudonym(theme="market")
+        self.assertNotEqual(default_result, business_result)
+        self.assertNotEqual(default_result, market_result)
+        self.assertNotEqual(business_result, market_result)
+
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()