A highly-rated open-source project available on GitHub that offers deep customization and privacy.
Measures response times, usually in milliseconds. Download Proxy Checker SLAYER zip
Proxy-Seller Online Tool : Allows you to check up to 100 proxies at a time for free, providing detailed reports on location and speed. A highly-rated open-source project available on GitHub that
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
A professional-grade tool included with the Proxifier software suite, known for its reliability and detailed diagnostic reports. monosans/proxy-scraper-checker - GitHub
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