diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..20129df
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,28 @@
+"""Pytest configuration and fixtures for Devterm tests."""
+
+import pytest
+
+
+@pytest.fixture
+def sample_json():
+    return '{"key": "value", "nested": {"data": true}}'
+
+
+@pytest.fixture
+def sample_jwt():
+    return "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
+
+
+@pytest.fixture
+def sample_cron():
+    return "* * * * *"
+
+
+@pytest.fixture
+def sample_base64_input():
+    return "Hello, World! This is a test."
+
+
+@pytest.fixture
+def sample_url_input():
+    return "https://example.com/path?query=value&other=test"