ELEX WooCommerce USPS Shipping Plugin is free and the best shipping plugin for WooCommerce. On your checkout and cart pages, it displays real-time costs from the USPS API.
With the ELEX WooCommerce USPS Shipping Plugin, users can set the fallback rate for their WooCommerce store. When the API does not provide the shipping rate, your checkout and cart pages will use the fallback rate.
It is easy and quick to change the shipping method’s name.
Estimate the delivery time.
Store administrators can also track packages using the tracking feature.
Print shipping labels (premium users only).
Tracks shipments (premium users).