diff --git a/src/main/kotlin/strings/ReverseString.kt b/src/main/kotlin/strings/ReverseString.kt
new file mode 100644
index 0000000..6de50ed
--- /dev/null
+++ b/src/main/kotlin/strings/ReverseString.kt
@@ -0,0 +1,27 @@
+package strings
+
+/**
+ * Reverses a given string
+ *
+ * @param str The input string to be reversed.
+ * @return The reversed string.
+ */
+fun reverseString(str: String): String {
+    if (str.isNullOrEmpty()) {
+        return str
+    }
+
+    val charArray = str.toCharArray()
+    var i = 0
+    var j = str.length - 1
+
+    while (i < j) {
+        val temp = charArray[i]
+        charArray[i] = charArray[j]
+        charArray[j] = temp
+        i++
+        j--
+    }
+
+    return String(charArray)
+}
diff --git a/src/test/kotlin/strings/ReverseStringTest.kt b/src/test/kotlin/strings/ReverseStringTest.kt
new file mode 100644
index 0000000..944f102
--- /dev/null
+++ b/src/test/kotlin/strings/ReverseStringTest.kt
@@ -0,0 +1,35 @@
+package strings
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class ReverseStringTest {
+
+    @Test
+    fun testReverseStringWithEmptyString() {
+        val input = ""
+        val expected = ""
+        assertEquals(expected, reverseString(input))
+    }
+
+    @Test
+    fun testReverseStringWithSingleCharacter() {
+        val input = "a"
+        val expected = "a"
+        assertEquals(expected, reverseString(input))
+    }
+
+    @Test
+    fun testReverseStringWithEvenLengthString() {
+        val input = "abcdef"
+        val expected = "fedcba"
+        assertEquals(expected, reverseString(input))
+    }
+
+    @Test
+    fun testReverseStringWithOddLengthString() {
+        val input = "hello"
+        val expected = "olleh"
+        assertEquals(expected, reverseString(input))
+    }
+}