diff --git a/HtmlExtension.php b/HtmlExtension.php
index 73a6db5..742db62 100644
--- a/HtmlExtension.php
+++ b/HtmlExtension.php
@@ -28,6 +28,7 @@ public function getFilters()
     {
         return [
             new TwigFilter('data_uri', [$this, 'dataUri']),
+            new TwigFilter('html_attributes', [$this, 'htmlAttributes'], ['is_safe' => ['html']]),
         ];
     }
 
@@ -79,6 +80,32 @@ public function dataUri(string $data, string $mime = null, array $parameters = [
 
         return $repr;
     }
+
+    /**
+     * @param array{string, string|bool|null} $attributes
+     */
+    public function htmlAttributes(array $attributes): string
+    {
+        /** @var string[] $htmlAttributes */
+        $htmlAttributes = [];
+        foreach ($attributes as $key => $value) {
+            if (\is_bool($value)) {
+                if ($value) {
+                    $htmlAttributes[] .= $key;
+                }
+
+                continue;
+            }
+
+            $htmlAttributes[] .= $key . '="' . $value . '"';
+        }
+        
+        if ($value === null) {
+            continue;
+        }
+
+        return \implode(' ', $htmlAttributes);
+    }
 }
 }