Proxy-Check

Proxy-Checker validates proxy performance, anonymity level, protocol type, and geolocation instantly, in your browser. No software installation required. Free to use.
Supported input formats
IP:PORT for public proxies (no username or password required)USER:PASS@IP:PORT for private proxies (username and password required)
All proxies purchased from Proxy-Seller are private and require credential-based authentication.
Proxy list:
Display:

Proxy-Check tool walkthrough 

New to the tool? The step-by-step video guide covers input formats, protocol selection, result interpretation, and export. Learn how to upload your proxy list, select protocol filters, and interpret connection quality, response time, and anonymity data. Our Proxy-Check tool supports all major proxy types, including residential proxies, HTTP, HTTPS, SOCKS4, and SOCKS5.

Proxy-Check runs checks in seconds, returns structured results across all key parameters, and requires no installation or account setup.

Validate proxies online

Run instant validity checks across HTTP, HTTPS, SOCKS4, and SOCKS5 proxies directly in your browser for free.

Three steps to run a check:

  1. Paste your proxy list into the Proxy list field. Use IP:PORT for public proxies or IP:PORT:USERNAME:PASSWORD for authenticated ones.

  2. Select the protocol types to validate: HTTP, HTTPS, SOCKS4, SOCKS5

  3. Click Start check, and get results within seconds.

Once the check completes, export your full report in .txt or csv format from the Download check results section.

Why teams use Proxy-Seller's Proxy-Check

Built for speed, accuracy, and scale with no setup required. Here’s what you get with Proxy-Checker: 

  • Check up to 100 proxies simultaneously in a single run.

  • Connection status, anonymity level, and protocol data returned in seconds.

  • Reliable output across all supported proxy types and protocols.

  • No software installation, no configuration.

  • No account or payment required.

  • Clean interface—paste your list, run the check, read the results.

  • Download full results in .txt or .csv for further analysis.