diff --git a/src/Filter.php b/src/Filter.php
index 0f12325..d7f7949 100644
--- a/src/Filter.php
+++ b/src/Filter.php
@@ -353,7 +353,7 @@ public static function esc(string $string): string
     }
 
     /**
-     * Returns JSON object from array.
+     * Returns Data object from array.
      */
     public static function data(Data|array $data): Data
     {
@@ -361,6 +361,18 @@ public static function data(Data|array $data): Data
             return $data;
         }
 
+        return new Data($data);
+    }
+
+    /**
+     * Returns JSON object from array.
+     */
+    public static function json(JSON|array $data): JSON
+    {
+        if ($data instanceof JSON) {
+            return $data;
+        }
+
         return new JSON($data);
     }
 
diff --git a/tests/FilterTest.php b/tests/FilterTest.php
index 933912b..bdb95e6 100644
--- a/tests/FilterTest.php
+++ b/tests/FilterTest.php
@@ -16,6 +16,7 @@
 
 namespace JBZoo\PHPUnit;
 
+use JBZoo\Data\Data;
 use JBZoo\Data\JSON;
 use JBZoo\Utils\Filter;
 
@@ -342,10 +343,23 @@ public function testData(): void
             'key' => 'value',
         ];
 
-        $obj = new JSON($data);
+        $obj = new Data($data);
 
         isSame($obj, Filter::data($obj));
         isSame($data, (array)Filter::data($obj));
         isSame($data, (array)Filter::data($data));
     }
+
+    public function testJson(): void
+    {
+        $data = [
+            'key' => 'value',
+        ];
+
+        $obj = new JSON($data);
+
+        isSame($obj, Filter::json($obj));
+        isSame($data, (array)Filter::json($obj));
+        isSame($data, (array)Filter::json($data));
+    }
 }