If you own a WooCommerce store, customising its checkout form fields is an inventible things and surprisingly this feature is not available as the default WooCommerce plugin. But, not to worry, this little plugin will help you in managing the checkout form fileds.
Woocommerce Checkout Field Editor is a free plugin which helps you to manage the check form fileds in your Wocoomerce store. It is available to download for free ifrom the Wordpress plugin directotory. The free options itself comes with a lot of features and with an amazingly user-friendly UI
Woocommere Checkout Manager is the premium version of this plugin with enhanced features than in the free version like, conditional checkout fields, conditional checkout sections where you can set conditional rules for various parameters in the checkout fields, and more