Exercise extreme care when downloading .zip files from proxy-related forums or unofficial sources. These files can frequently contain malware or stealers designed to harvest your data while the software appears to "check" proxies. Guide to Using a Proxy Checker
: Adjust the "thread count" (concurrent connections). A higher count (e.g., 50–100 threads) speeds up the process but can crash the app or provide false "timed out" results if your internet connection is weak. ProxyList.to Proxy Checker.zip
If you have verified the safety of your specific tool, follow these steps to effectively filter and use your proxy lists: Exercise extreme care when downloading