diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c28f39..84805e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 # 0.1.1 Under development
 
+- Enh #3: Implement interface `RenderInterface::class` (@terabytesoftw)
+
 ## 0.1.0 February 27, 2024
 
 - Initial release
diff --git a/src/InputInterface.php b/src/InputInterface.php
index 0098556..198bbfe 100644
--- a/src/InputInterface.php
+++ b/src/InputInterface.php
@@ -7,8 +7,17 @@
 /**
  * Provide methods for handling HTML input-related attributes.
  */
-interface InputInterface
+interface InputInterface extends RenderInterface
 {
+    /**
+     * Set the `HTML` attributes.
+     *
+     * @param array $values Attribute values indexed by attribute names.
+     *
+     * @return static A new instance of the current class with the specified attributes.
+     */
+    public function attributes(array $values): static;
+
     /**
      * Set the `CSS` `HTML` class attribute.
      *
@@ -21,15 +30,6 @@ interface InputInterface
      */
     public function class(string $value, bool $override = false): static;
 
-    /**
-     * Set the `HTML` attributes.
-     *
-     * @param array $values Attribute values indexed by attribute names.
-     *
-     * @return static A new instance of the current class with the specified attributes.
-     */
-    public function attributes(array $values): static;
-
     /**
      * Generate the id and name attributes for the field.
      *
diff --git a/src/RenderInterface.php b/src/RenderInterface.php
new file mode 100644
index 0000000..7740bda
--- /dev/null
+++ b/src/RenderInterface.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PHPForge\Html\Interop;
+
+use Stringable;
+
+/**
+ * Provide methods for handling HTML rendering.
+ */
+interface RenderInterface extends Stringable
+{
+    /**
+     * Executes the widget.
+     *
+     * This method is responsible for executing the widget and returning the result of the execution as a string.
+     *
+     * @return string The result of widget execution to be outputted.
+     */
+    public function render(): string;
+}