A crypto screener is a tool that allows you to filter and sort cryptocurrencies based on various criteria. This can include price, market cap, volume, and more. It's a valuable resource for anyone looking to understand the trends and movements in the cryptocurrency market. By using a crypto screener, you can identify potential opportunities and monitor the performance of specific cryptocurrencies. However, it's crucial to remember that the data provided by a crypto screener should not be the sole basis for any investment decisions.