diff --git a/core/string.cpp b/core/string.cpp
index 1014223..91352a3 100644
--- a/core/string.cpp
+++ b/core/string.cpp
@@ -1043,6 +1043,17 @@ void String::append_path(const String &path) {
 	}
 }
 
+void String::path_clean_end_slash() {
+	while (ends_with('/') || ends_with('\\')) {
+		pop_back();
+	}
+}
+void String::path_ensure_end_slash() {
+	if (!(ends_with('/') || ends_with('\\'))) {
+		push_back(DEFAULT_DIRECTORY_SEPARATOR);
+	}
+}
+
 void String::to_html_special_chars() {
 	replace("&", "&");
 	replace("\"", """);
diff --git a/core/string.h b/core/string.h
index edb6356..b3836cb 100644
--- a/core/string.h
+++ b/core/string.h
@@ -109,6 +109,8 @@ public:
 
 	void append_path(const char* path);
 	void append_path(const String &path);
+	void path_clean_end_slash();
+	void path_ensure_end_slash();
 
 	void to_html_special_chars();
 	void from_html_special_chars();