CORS Unlocker icon

CORS Unlocker

Extension Actions

How to install Open in Chrome Web Store
CRX ID
knhlkjdfmgkmelcjfnbbhpphkmjjacng
Description from extension meta

Grant cross-origin request permissions for websites and open doors to boundless potential

Image from store
CORS Unlocker
Description from store

Skip Expensive Proxy Servers - Enable CORS Directly in Your Browser

CORS Unlocker eliminates the need for costly proxy servers by enabling cross-origin requests directly in your browser. Perfect for developers who want to call third-party APIs without backend infrastructure.

🚀 Key Benefits:

- Zero server costs - No more $20-200/month proxy expenses
- One-click activation for any domain
- Smart rule management with auto-cleanup
- Developer-friendly NPM package included
- Open source and fully transparent

💻 Perfect For:

- Internal company tools and dashboards
- Rapid API prototyping and testing
- Startup MVPs with zero infrastructure budget
- Educational projects and demos
- Personal development projects

🔧 Developer Integration:

Install our NPM package to detect the extension and guide users through setup automatically. No complex configuration needed.

⚡ How It Works:

1. Install the extension
2. Visit your web application
3. Click to enable CORS for the current domain
4. Start making cross-origin requests immediately

🛡️ Privacy & Security:

- Works locally in your browser
- No data sent to external servers
- Rules stored locally on your device
- Open source code available on GitHub

Platform Support: Desktop Chrome, Edge, Firefox

Mobile browsers and Safari are not supported due to extension API limitations.

Save hundreds of dollars annually while simplifying your development workflow!