Hot Knowledge Share: Free proxy checker

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Proxies can help you hide your IP address, bypass geo-restrictions and protect your privacy. However, not all proxies are reliable, so it's important to use a proxy checker to verify their performance and availability.

Free proxy checkers are online tools that allow you to enter the address of a proxy server and test its speed, anonymity and other factors. These tools are usually easy to use, just enter the IP address and port number of the proxy and start testing.

Here are some of the benefits of using a free proxy checker:
1. Quickly identify invalid proxies: Free Proxy Checker can quickly identify invalid or unavailable proxies, thus saving your time and effort.
2. Compare Proxy Performance: You can use Proxy Checker to compare the performance of different proxies in order to find the fastest one.
3. Test Proxy Anonymity: You can use Proxy Checker to test proxy anonymity to make sure your IP address is hidden.