diff --git a/src/Filter.php b/src/Filter.php
index 590cf2c..60be070 100644
--- a/src/Filter.php
+++ b/src/Filter.php
@@ -279,6 +279,83 @@ public static function alias($string)
         return $cleaned;
     }
 
+    /**
+     * String to lower and trim
+     *
+     * @param $string
+     * @return string
+     */
+    public static function low($string)
+    {
+        $cleaned = Str::low($string);
+        $cleaned = Str::trim($cleaned);
+
+        return $cleaned;
+    }
+
+    /**
+     * String to upper and trim
+     *
+     * @param $string
+     * @return string
+     *
+     * @SuppressWarnings(PHPMD.ShortMethodName)
+     */
+    public static function up($string)
+    {
+        $cleaned = Str::up($string);
+        $cleaned = Str::trim($cleaned);
+
+        return $cleaned;
+    }
+
+    /**
+     * Strip spaces
+     *
+     * @param $string
+     * @return string
+     */
+    public static function stripSpace($string)
+    {
+        return Str::stripSpace($string);
+    }
+
+    /**
+     * @param $string
+     * @return string
+     */
+    public static function clean($string)
+    {
+        return Str::clean($string, true, true);
+    }
+
+    /**
+     * @param $string
+     * @return string
+     */
+    public static function html($string)
+    {
+        return Str::htmlEnt($string);
+    }
+
+    /**
+     * @param $string
+     * @return string
+     */
+    public static function xml($string)
+    {
+        return Str::escXml($string);
+    }
+
+    /**
+     * @param $string
+     * @return string
+     */
+    public static function esc($string)
+    {
+        return Str::esc($string);
+    }
+
     /**
      * RAW placeholder
      *
diff --git a/tests/FilterTest.php b/tests/FilterTest.php
index f941a02..c2e3c69 100644
--- a/tests/FilterTest.php
+++ b/tests/FilterTest.php
@@ -260,6 +260,17 @@ public function testApplyRaw()
         isSame($source, Filter::_($source, ' R A W '));
     }
 
+    public function testOthers()
+    {
+        isSame('low', Filter::_(' LOW ', 'low'));
+        isSame('UP', Filter::_(' up ', 'up'));
+        isSame('spaces', Filter::_(' s p a c e s ', 'stripSpace'));
+        isSame('denis !@#$%^&*()_ 1234567890 qwerty', Filter::_(' Денис !@#$%^&*()_ 1234567890 qwerty ', 'clean'));
+        isSame(' One &amp; Two &lt;&gt; &amp;mdash; ', Filter::_(' One & Two <> &mdash; ', 'html'));
+        isSame(' One &amp; Two &lt;&gt; &amp;mdash; ', Filter::_(' One & Two <> &mdash; ', 'xml'));
+        isSame(' One &amp; Two &lt;&gt; &amp;mdash; ', Filter::_(' One & Two <> &mdash; ', 'esc'));
+    }
+
     public function testApplyOneRule()
     {
         $source = '127.0001 <img> some-<b>WORD</b> ' . "\t";