RebateCodes is a free Chrome extension developed by genesmith438. This official extension serves as a shopping tool that notifies users when they are browsing pages of stores that offer cashback or rebates. With RebateCodes, users will never miss out on earning cashback due to forgetting to log in or being unaware of a store's rebate program.

One of the key features of RebateCodes is its integration with Google search. When users perform a search, the extension automatically provides cashback information on the search results page. This convenient integration allows users to easily identify which stores offer cashback without having to visit each individual website.

Overall, RebateCodes is a helpful extension for those who enjoy earning cashback while shopping online. Its automatic notifications and integration with Google search make it a convenient tool for maximizing cashback opportunities.