diff --git a/lib/micro_base64.py b/lib/micro_base64.py
new file mode 100644
index 0000000..73bb772
--- /dev/null
+++ b/lib/micro_base64.py
@@ -0,0 +1,55 @@
+class Base64:
+    def __init__(self):
+        # Base64 alphabet
+        self.alphabet = (
+            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+        )
+
+    def encode(self, data: str) -> str:
+        # Convert string to bytes and get binary representation
+        binary = "".join([format(b, "08b") for b in data.encode()])
+
+        # Pad with zeros if necessary
+        padding = len(binary) % 6
+        if padding:
+            binary += "0" * (6 - padding)
+
+        # Split into 6-bit chunks and convert to decimal
+        chunks = [binary[i : i + 6] for i in range(0, len(binary), 6)]
+        result = "".join(self.alphabet[int(chunk, 2)] for chunk in chunks)
+
+        # Add padding characters
+        padding = len(data) % 3
+        if padding:
+            result += "=" * (3 - padding)
+
+        return result
+
+    def decode(self, data: str) -> str:
+        # Remove padding characters
+        data = data.rstrip("=")
+
+        # Convert to binary
+        binary = "".join([format(self.alphabet.index(c), "06b") for c in data])
+
+        # Remove padding zeros
+        padding = len(binary) % 8
+        if padding:
+            binary = binary[:-padding]
+
+        # Convert binary to bytes and then to string
+        bytes_data = [int(binary[i : i + 8], 2) for i in range(0, len(binary), 8)]
+        return bytes(bytes_data).decode()
+
+
+# Example usage
+def example():
+    b64 = Base64()
+    original = "Hello, World!"
+    encoded = b64.encode(original)
+    print(f"Original: {original}")
+    print(f"Encoded: {encoded}")
+
+
+if __name__ == "__main__":
+    example()
diff --git a/lib/micro_uuid.py b/lib/micro_uuid.py
new file mode 100644
index 0000000..ada50ff
--- /dev/null
+++ b/lib/micro_uuid.py
@@ -0,0 +1,30 @@
+import secrets
+
+
+class MicroUUID:
+    def __init__(self):
+        self.uuid = self.generate_uuid()
+
+    def generate_uuid(self):
+        # Generate a random UUID (version 4)
+        random_bytes = secrets.token_bytes(16)
+        # Set the version to 4 (randomly generated UUID)
+        random_bytes = bytearray(random_bytes)
+        random_bytes[6] = (random_bytes[6] & 0x0F) | 0x40
+        # Set the variant to RFC 4122
+        random_bytes[8] = (random_bytes[8] & 0x3F) | 0x80
+        uid = "".join(f"{byte:02x}" for byte in random_bytes)
+        return f"{uid[0:8]}-{uid[8:12]}-{uid[12:16]}-{uid[16:20]}-{uid[20:32]}"
+
+    def __str__(self):
+        return self.uuid
+
+
+# Example usage:
+def example():
+    uuid_instance = MicroUUID()
+    print(f"Generated UUID: {uuid_instance}")
+
+
+if __name__ == "__main__":
+    example()