diff --git a/bec_widgets/utils/thread_checker.py b/bec_widgets/utils/thread_checker.py
new file mode 100644
index 00000000..7c25a120
--- /dev/null
+++ b/bec_widgets/utils/thread_checker.py
@@ -0,0 +1,37 @@
+import threading
+
+
+class ThreadTracker:
+    def __init__(self, exclude_names=None):
+        self.exclude_names = exclude_names if exclude_names else []
+        self.initial_threads = self._capture_threads()
+
+    def _capture_threads(self):
+        return set(
+            th
+            for th in threading.enumerate()
+            if not any(ex_name in th.name for ex_name in self.exclude_names)
+            and th is not threading.main_thread()
+        )
+
+    def _thread_info(self, threads):
+        return ", \n".join(f"{th.name}(ID: {th.ident})" for th in threads)
+
+    def check_unfinished_threads(self):
+        current_threads = self._capture_threads()
+        additional_threads = current_threads - self.initial_threads
+        closed_threads = self.initial_threads - current_threads
+        if additional_threads:
+            raise Exception(
+                f"###### Initial threads ######:\n {self._thread_info(self.initial_threads)}\n"
+                f"###### Current threads ######:\n {self._thread_info(current_threads)}\n"
+                f"###### Closed threads ######:\n {self._thread_info(closed_threads)}\n"
+                f"###### Unfinished threads ######:\n {self._thread_info(additional_threads)}"
+            )
+        else:
+            print(
+                "All threads properly closed.\n"
+                f"###### Initial threads ######:\n {self._thread_info(self.initial_threads)}\n"
+                f"###### Current threads ######:\n {self._thread_info(current_threads)}\n"
+                f"###### Closed threads ######:\n {self._thread_info(closed_threads)}"
+            )