Converting HTML to a WordPress shortcode involves a few steps: - Create a new function for your shortcode: Start by creating a new function in your theme's functions.php file or in a custom plugin that generates the desired output using the HTML code. - Use add_shortcode(): Add the following line of code to register your shortcode using the add_shortcode() function, where "shortcode_name" is the name you want to use for your shortcode and "shortcode_function" is the name of the function you created in step 1: add_shortcode("shortcode_name", "shortcode_function"); - Return the HTML in the function: In the function you created in step 1, return the HTML that you want to be generated when the shortcode is used. For example: function shortcode_function() { return " My custom HTML "; } - Use the shortcode: Finally, you can use your shortcode in any WordPress post or page by simply entering [shortcode_name] where you want the HTML output to appear. This is a basic example, but you can use this process to convert any HTML code into a WordPress shortcode and add it to your website in a more flexible and reusable manner.