Easy PayPal Custom Fields is a user-friendly WordPress plugin designed to streamline the addition of PayPal buttons to websites and blogs. It eliminates the need for complex shortcut syntax, making it accessible for users of all skill levels. The plugin allows for customization of default settings such as PayPal username and currency, which can be tailored for individual posts, catering to sites with multiple users. Additionally, it supports various post types, enhancing flexibility in button placement.

The plugin offers four distinct button themes—light, dark, blue, and red—alongside standard PayPal button sizes. A notable feature is the conversion of the PayPal username into HTML entities, providing a layer of protection against spam. Compatible with WordPress 3.x, it supports both 'Buy Now' and 'Donation' functionalities, making it a versatile tool for e-commerce and fundraising efforts.