CEP da Rua is a free Chrome extension designed to simplify the process of looking up postal codes (CEPs) in Brazil by using the name of the street. Leveraging the ViaCEP API, this tool provides accurate and up-to-date information on postal codes, making it easy for users to find the information they need without hassle.

Key features include an intuitive search process that allows users to select the state and city before entering the street name. Users receive detailed results, including the complete postal code, official street name, and additional information such as neighborhood and complementary details when available. The extension also offers a one-click copy feature for easy form-filling and the ability to save preferences for quicker future searches.