Flat Etherscan Source is a free Chrome add-on designed to enhance the user experience on Etherscan, a popular blockchain explorer. This tool adds a convenient button to Etherscan pages, enabling users to quickly access the flat source view of smart contracts. This feature is particularly beneficial for developers and users who need to read and analyze complex contract code without navigating through multiple layers of abstraction.

The add-on aims to streamline the process of understanding smart contracts by presenting the code in a simplified format. By facilitating easier access to flat source views, it helps users to efficiently review and comprehend the intricacies of contract code, ultimately contributing to a more transparent blockchain interaction.