Proxy FAQ

Quick answers about free proxies, share links, tools, API access and security.

Frequently Asked Questions

Answers about protocols, connect strings, tools, API access, and safe usage on Free Proxy DB.

Quick Reference

What are free proxies?

How do I use free proxies?

What about stability and speed?

What do anonymity levels mean?

How do subscription URLs work?

What is the Web Crawler tool?

How do I use Proxy Checker?

What is IP Checker?

What is Port Checker?

How can I access proxies programmatically?

Is it safe to use free proxies?

What if a proxy does not connect?

How often is the proxy list updated?