diff --git a/pyproject.toml b/pyproject.toml
index f34a211..5b95fce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 # MARK: Project info
 [project]
 name = "corelibs"
-version = "0.4.0"
+version = "0.5.0"
 description = "Collection of utils for Python scripts"
 readme = "ReadMe.md"
 requires-python = ">=3.13"
diff --git a/src/CoreLibs/string_handling/string_helpers.py b/src/CoreLibs/string_handling/string_helpers.py
index b7c9eae..867378f 100644
--- a/src/CoreLibs/string_handling/string_helpers.py
+++ b/src/CoreLibs/string_handling/string_helpers.py
@@ -83,4 +83,36 @@ def format_number(number: float, precision: int = 0) -> str:
         "f}"
     ).format(number)
 
+
+def mask(
+    data_set: dict[str, str],
+    mask_keys: list[str] | None = None,
+    mask_str: str = "***",
+    skip: bool = False
+) -> dict[str, str]:
+    """
+    mask data for output
+    Checks if mask_keys list exist in any key in the data set either from the start or at the end
+
+    Arguments:
+        data_set {dict[str, str]} -- _description_
+
+    Keyword Arguments:
+        mask_keys {list[str] | None} -- _description_ (default: {None})
+        mask_str {str} -- _description_ (default: {"***"})
+        skip {bool} -- _description_ (default: {False})
+
+    Returns:
+        dict[str, str] -- _description_
+    """
+    if skip is True:
+        return data_set
+    if mask_keys is None:
+        mask_keys = ["password", "secret"]
+    return {
+        key: mask_str
+        if any(key.startswith(mask_key) or key.endswith(mask_key) for mask_key in mask_keys) else value
+        for key, value in data_set.items()
+    }
+
 # __END__