diff --git a/core/string.cpp b/core/string.cpp
index 7ede8e2..3813dd0 100644
--- a/core/string.cpp
+++ b/core/string.cpp
@@ -915,6 +915,22 @@ void String::append_repeat(const String &other, const int times) {
 	}
 }
 
+void String::to_html_special_chars() {
+	replace("&", "&");
+	replace("\"", """);
+	replace("'", "'");
+	replace("<", "&lt;");
+	replace(">", "&gt;");
+}
+
+void String::from_html_special_chars() {
+	replace("&amp;", "&");
+	replace("&quot;", "\"");
+	replace("&#039;", "'");
+	replace("&lt;", "<");
+	replace("&gt;", ">");
+}
+
 bool String::to_bool() const {
 	if (_size == 0) {
 		return 0;
diff --git a/core/string.h b/core/string.h
index ce87038..213227e 100644
--- a/core/string.h
+++ b/core/string.h
@@ -97,6 +97,9 @@ public:
 	void append_repeat(const char* str, const int times);
 	void append_repeat(const String &other, const int times);
 
+	void to_html_special_chars();
+	void from_html_special_chars();
+
 	bool to_bool() const;
 	float to_float() const;
 	double to_double() const;