Tips on Customizing NT Image WebP & AVIF Converter

How to Hide NT Image WebP & AVIF Converter Admin Menus

function plt_hide_nt_image_webp_avif_converter_menus() {
	//Hide "NT Image WebP & AVIF Converter".
	remove_menu_page('nt-webp-dashboard');
	//Hide "NT Image WebP & AVIF Converter → NT Image WebP & AVIF Converter".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-dashboard');
	//Hide "NT Image WebP & AVIF Converter → Selected".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-selected');
	//Hide "NT Image WebP & AVIF Converter → Bulk Convert".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-bulk');
	//Hide "NT Image WebP & AVIF Converter → Settings".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-settings');
	//Hide "NT Image WebP & AVIF Converter → Logs  Alerts".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-logs');
	//Hide "NT Image WebP & AVIF Converter → Statistics".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-stats');
	//Hide "NT Image WebP & AVIF Converter → Premium Features".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-pro');
	//Hide "NT Image WebP & AVIF Converter → Help".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-help');
	//Hide "NT Image WebP & AVIF Converter → Tools".
	remove_submenu_page('nt-webp-dashboard', 'nt-webp-tools');
}

add_action('admin_menu', 'plt_hide_nt_image_webp_avif_converter_menus', 11);

Where do I put this code?

How to Hide the "WebP Converter NT — Weekly" Dashboard Widget

function plt_hide_nt_image_webp_avif_converter_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "WebP Converter NT — Weekly" widget.
	remove_meta_box('nt_webp_dash_weekly', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_nt_image_webp_avif_converter_dashboard_widgets', 20);