Amazon Price History is a browser extension designed for Firefox that enhances the shopping experience by providing users with a convenient way to check historical price data for products on Amazon. This tool integrates seamlessly with Amazon product pages, allowing users to track price fluctuations over time. By clicking the added button, users can access detailed price history charts sourced from Keepa, helping them make informed purchasing decisions.

The extension operates on a subscription-based model, offering users continuous access to its features. It is particularly useful for bargain hunters and those looking to buy items at the best possible price. With its straightforward interface and effective functionality, Amazon Price History stands out as an essential tool for anyone who frequently shops on Amazon.