The ChatGPT Carbon Estimator (CBE) is a free Chrome extension designed to estimate the environmental impact of ChatGPT interactions. It provides real-time calculations of carbon emissions and water usage, helping users understand their digital footprint while engaging with AI. CBE offers relatable real-world equivalents such as car travel distance and flight time, making it easier for users to grasp the significance of their usage.

Ideal for environmentally conscious users, educators, and developers, this privacy-friendly extension runs entirely in the browser without tracking or data collection. It automatically calculates emissions for each response and displays a clean badge on the ChatGPT page. By using average energy metrics and assumptions based on current AI models, CBE promotes awareness around AI sustainability without compromising user privacy.