DocDecoder is a Chrome browser extension that leverages GPT-4 technology to provide users with clear, concise summaries of website legal policies. It visually highlights terms that have a real impact on users through color coding, indicating positive, negative, and neutral effects. Users can enter any legal policy URL, and DocDecoder will elucidate how it affects them. Additionally, it marks potentially harmful terms and allows users to view existing summaries endlessly. Designed to help users rapidly grasp what they are actually consenting to online.