PAC is a lightweight yet powerful proxy auto-config tool designed for users who want precise control over their network routing without dealing with overly complex configurations. It works by dynamically determining whether web traffic should go through a proxy server based on customizable rules, making it ideal for bypassing regional restrictions, improving access speeds, and securing sensitive connections. Unlike traditional VPNs that route all data through one tunnel, PAC allows selective routing so that only specific domains or IP ranges are proxied while the rest of your traffic connects directly, giving you both flexibility and efficiency in everyday browsing.

Key Features

• Automatic rule-based traffic splitting for optimized performance
• Support for multiple proxy protocols including HTTP, HTTPS, SOCKS5
• Easy rule customization with domain, IP, and keyword matching
• Lightweight design with minimal impact on system resources
• Cross-platform compatibility for Windows, macOS, and Linux

Pros & Cons

• Pros:
  • Granular control over which traffic uses a proxy
  • Reduces bandwidth waste by avoiding unnecessary routing
  • Simple configuration without deep networking knowledge
• Cons:
  • Requires initial setup effort for custom rules
  • Not a full replacement for a VPN in high-security scenarios
  • Dependent on correctly maintained rule lists for best results

Functions

• Intercepts web requests and applies defined routing logic
• Supports whitelisting and blacklisting of websites
• Allows scheduling of different rules at different times
• Provides real-time monitoring of connection status
• Integrates seamlessly with browsers and system network settings

How to Use

Click the button "Check All Versions" below to download and install it. Once installed, open the application and import or create your PAC rules file. Configure your system or browser to use the PAC file URL provided by the app. Test the setup by visiting sites that should be routed differently, and adjust rules as needed. Regular updates to rule sets will ensure optimal performance and continued access to restricted resources.