Ultrasurf.exe Official

Ultrasurf.exe is the executable file of Ultrasurf, a free, web-based proxy service that allows users to browse the internet anonymously. Developed by UltraReach Internet Corporation, Ultrasurf was initially designed to circumvent the Great Firewall of China, enabling Chinese users to access blocked websites. Over time, its user base has expanded globally, attracting individuals seeking to protect their privacy and access censored content.

[Web Browser] ---> [Localhost Proxy (Port 9666)] ---> [Encrypted HTTP Tunnel] ---> [Dynamic Proxy Pools] ---> [Target Website] ultrasurf.exe

While Ultrasurf.exe can provide a level of anonymity and security, it's essential to be aware of the following: Ultrasurf

While many lump UltraSurf with VPNs, it is technically a . Here is the comparison: [Web Browser] ---> [Localhost Proxy (Port 9666)] --->

Because the service is free and relies on limited proxy servers, internet speeds can drop significantly during peak hours.

Note: In some environments, you might need to manually configure your browser's proxy settings to on port 9666 if the automatic configuration fails.