CO-STAR Prompt Template is a Chrome add-on developed by doufulai. It is a free tool in the Browsers category, specifically under Add-ons & Tools. With CO-STAR Prompt Template, users can enhance their interactions with ChatGPT by crafting effective and engaging prompts effortlessly. This tool seamlessly integrates into the Chrome browser, making prompt creation a breeze. By utilizing the CO-STAR framework, users can input their own text and let the extension handle the formatting intricacies. The streamlined process eliminates the need to decipher complex prompt structures, allowing users to focus on their message. With CO-STAR Prompt Template, users can maximize the effectiveness of their ChatGPT interactions and elevate the quality of their conversations.