What is proxychecker?

ProxyChecker is a tool that takes a list of proxy servers and rapidly tests them to see which ones actually work. Instead of manually testing proxies one by one to find out if they are live or dead, you run this script and it processes the whole batch for you in seconds. The tool works by taking a list of proxies and sending a quick test request through each one to see if it successfully connects. It supports three different types of proxies: HTTP, SOCKS4, and SOCKS5, which covers the most common proxy protocols people use. The screenshot in the project suggests it runs in a command-line interface, and notably, the screenshot is from an Android app called Termux. This means you can run the tool directly from a phone, not just a traditional computer. Someone running automated web tasks would find this useful. For example, if you are scraping data from websites, managing multiple accounts, or doing security research, you often rely on lists of free or purchased proxies. Those lists go stale quickly, so you need a fast way to filter out the dead proxies before starting your actual work. To use it, you need Python installed on your machine along with a common programming add-on called "requests." The README does not go into detail on how to feed your list of proxies into the script, but the core functionality is straightforward: it takes your list, tests the connections, and tells you which ones are ready to use. The project's main focus is speed, handling large batches of proxies efficiently rather than offering a complex graphical interface.