A professional-grade tool included with the Proxifier software suite, known for its reliability and detailed diagnostic reports. monosans/proxy-scraper-checker - GitHub
Detects if the proxy is transparent, anonymous, or elite (hides your real IP and the fact that a proxy is being used). Download Proxy Checker SLAYER zip
Instead of downloading unverified .zip files, consider these verified and widely used options: usually in milliseconds.
A highly-rated open-source project available on GitHub that offers deep customization and privacy. Download Proxy Checker SLAYER zip
Verifies if the proxy works with HTTP, HTTPS, SOCKS4, or SOCKS5. Safer Alternatives to SLAYER
Measures response times, usually in milliseconds.