by Aditya Shah on WordPress.org
This is a WordPress plugin which displays user id with a simple shortcode or PHP code.
You can display a user ID of any user on his profile page or anywhere you want with a simple shortcode or a php code. You can use the shortcode: “[user-id]” or php code “echo do_shortcode(“[user-id]”);”
Group Your Users
Displays properties and custom fields of WordPress entities (posts, users, terms, comments) for debugging/development purposes.
A lightweight plugin to add custom CSS, JS/Javascript to any theme. This plugin also gives you an ability to insert JS in header or footer.