diff --git a/util/data_file.hpp b/util/data_file.hpp
new file mode 100644
index 0000000..52e8a2e
--- /dev/null
+++ b/util/data_file.hpp
@@ -0,0 +1,27 @@
+#include <nlohmann/json.hpp>
+
+#include <filesystem>
+
+namespace util
+{
+
+/**
+ * @brief Returns a list of files in the given directory, matching the given
+ *        search string.
+ * @param i_dirPath     The target directory.
+ * @param i_matchString Matching search pattern.
+ * @param o_foundPaths  The returned list of found file paths.
+ */
+void findFiles(const std::filesystem::path& i_dirPath,
+               const std::string& i_matchString,
+               std::vector<std::filesystem::path>& o_foundPaths);
+
+/**
+ * @brief  Validates the given JSON file against the given schema.
+ * @param  i_schema Target schema document.
+ * @param  i_json   Target JSON file.
+ * @return True, if validation successful. False, otherwise.
+ */
+bool validateJson(const nlohmann::json& i_schema, const nlohmann::json& i_json);
+
+} // namespace util