diff --git a/Include/Fledasty/Strings/UTF8String.h b/Include/Fledasty/Strings/UTF8String.h
new file mode 100644
index 0000000..c111dac
--- /dev/null
+++ b/Include/Fledasty/Strings/UTF8String.h
@@ -0,0 +1,38 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * -----------------------------------------------------------------------------
+ * File: UTF8String.h
+ * Description:
+ *  This file contains the UTF8String structure and the functions for modifying it. 
+ *  It includes functions to append, Insert at index, insert before character,
+ *  insert before string, insert after character, insert after string, replace,
+ *  copy, pop, remove, remove range, clear, check if contains string, check if
+ *  empty. 
+ * 
+ * Author: Mineplay
+ * -----------------------------------------------------------------------------
+ */
+
+#include <stddef.h>
+#include <stdbool.h>
+ 
+#include "../Utils/Error.h"
+
+typedef struct {
+    size_t size, capacity;
+    unsigned char *character_string;
+} FledastyUtf8String;
+
+FledastyError fledasty_utf8_string_initialize(FledastyUtf8String *new_string, unsigned char *character_string, size_t character_string_length);
+FledastyError fledasty_utf8_string_destroy(FledastyUtf8String *current_string);
\ No newline at end of file
diff --git a/Src/Strings/UTF8String.c b/Src/Strings/UTF8String.c
new file mode 100644
index 0000000..f77840d
--- /dev/null
+++ b/Src/Strings/UTF8String.c
@@ -0,0 +1,65 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * -----------------------------------------------------------------------------
+ * File: UTF8String.c
+ * Description:
+ *  This file contains the functions for modifying the UTF-8 String. It includes 
+ *  functions to append, Insert at index, insert before character,
+ *  insert before string, insert after character, insert after string, replace,
+ *  copy, pop, remove, remove range, clear, check if contains string, check if
+ *  empty. 
+ * 
+ * Author: Mineplay
+ * -----------------------------------------------------------------------------
+ */
+#include "../../Include/Fledasty/Strings/UTF8String.h"
+
+#include <Hallocy/Core/Allocator.h>
+#include <Hallocy/Core/Memory.h>
+#include <Hallocy/Utils/Error.h>
+
+FledastyError fledasty_utf8_string_initialize(FledastyUtf8String *new_string, unsigned char *character_string, size_t character_string_length) {
+    if (new_string == NULL) {
+        return FLEDASTY_ERROR_INVALID_POINTER;
+    }
+
+    if (character_string == NULL || character_string_length == 0) {
+        new_string->size = 0;
+        new_string->capacity = 10;
+
+        new_string->character_string = hallocy_malloc(new_string->capacity);
+    } else {
+        new_string->size = character_string_length;
+        new_string->capacity = new_string->size + new_string->size;
+
+        new_string->character_string = hallocy_malloc(new_string->capacity);
+    }
+
+    new_string->character_string[new_string->size] = '\0';
+    return FLEDASTY_ERROR_NONE;
+}
+
+FledastyError fledasty_utf8_string_destroy(FledastyUtf8String *current_string) {
+    if (current_string == NULL) {
+        return FLEDASTY_ERROR_INVALID_POINTER;
+    }
+    
+    HallocyError result = hallocy_free(current_string->character_string);
+    if (result != HALLOCY_ERROR_NONE) {
+        return FLEDASTY_ERROR_FAILED_ALLOCATION;
+    }
+
+    current_string->character_string = NULL;
+    return FLEDASTY_ERROR_NONE;
+}
diff --git a/Tests/Main.c b/Tests/Main.c
index f0cd693..003cf44 100644
--- a/Tests/Main.c
+++ b/Tests/Main.c
@@ -26,6 +26,7 @@
 #include <Fledasty/Core/LinkedList.h>
 #include <Fledasty/Core/DoublyLinkedList.h>
 #include <Fledasty/Core/HashTable.h>
+#include <Fledasty/Strings/UTF8String.h>
 
 static inline size_t integer_hash_function(void *key) { return *(size_t*)key; }
 
@@ -221,6 +222,10 @@ int main() {
     }
 
     fledasty_hash_table_destroy(&test_hash_table);
+    FledastyUtf8String test_utf8_string;
+    fledasty_utf8_string_initialize(&test_utf8_string, "€Testing", 11);
+
+    fledasty_utf8_string_destroy(&test_utf8_string);
     printf("Done\n");
     return 0;
 }
\ No newline at end of file