The Contact Form 7 Signature Addon is a versatile plugin designed to integrate a handwritten signature field into the popular Contact Form 7 plugin for WordPress. This utility allows users to easily capture signatures via a signature pad, enhancing the functionality of standard contact forms. Built on Szymon Nowak’s robust Javascript library, the addon ensures compatibility with modern web and mobile browsers, including Internet Explorer 9 and above.

With the release of version 4, the plugin underwent significant technical improvements, making it more efficient for theme developers. Notably, it now supports Base64 encoded inline images, although users should be cautious of potential compatibility issues with different email clients. This free plugin requires Contact Form 7 version 4.6 or higher, and comprehensive installation instructions are available in the FAQ section.