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Preview of CORS Unlocker

CORS Unlocker by Saiya

Enable cross-origin requests without proxy servers. Eliminate infrastructure costs for developers calling third-party APIs. One-click CORS activation with smart rule management.

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Extension Metadata

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One-click CORS control - Enable or disable with a single clickAfter enabling CORS, call any API directly with zero infrastructure costsDeveloper-friendly - NPM package included, perfect for existing projects
About this extension
Eliminate Proxy Server Costs - Enable CORS Directly in Firefox

Stop paying for expensive proxy servers just to bypass CORS restrictions. CORS Unlocker enables cross-origin requests directly in your Firefox browser, saving developers hundreds of dollars annually.

🎯 Why Choose CORS Unlocker:

- Save $240-2400+ annually on server costs
- One-click CORS activation for any domain
- Intelligent rule management and auto-cleanup
- Zero configuration required
- Open source transparency

👨‍💻 Ideal Use Cases:

- Company internal tools and admin panels
- API testing and rapid prototyping
- Educational coding projects
- Personal web applications
- Startup minimum viable products

🔧 Developer Features:

- NPM package for seamless integration
- Automatic extension detection
- User-friendly installation prompts
- Local rule storage and management
- Smart cleanup of unused rules

📋 How to Use:

1. Install CORS Unlocker extension
2. Navigate to your web application
3. Click the extension icon
4. Enable CORS for current domain
5. Make cross-origin API calls directly

🔒 Privacy First:

- All processing happens locally
- No external data transmission
- Rules stored on your device only
- Full source code available on GitHub

Compatible with desktop Firefox only. Mobile browsers not supported due to extension API limitations.

Transform your development workflow and eliminate unnecessary infrastructure costs today!
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Permissions and dataLearn more

Required permissions:

  • Block content on any page
  • Access browser tabs
  • Access your data for sites in the forth.ink domain

Optional permissions:

  • Access your data for all websites
More information
Add-on Links
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Version
1.1.0
Size
111.49 KB
Last updated
2 months ago (Jun 27, 2025)
Related Categories
  • Web Development
License
MIT License
Privacy Policy
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Version History
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Release notes for 1.1.0
v1.1.0 - Enhanced CORS Control

🆕 New Features
  • Custom Headers: Add your own custom headers when using authenticated requests

✨ Improvements
  • Easier Setup: Click "Custom headers" in popup to quickly configure advanced settings
  • Better Control: More precise header management for complex API integrations
  • Smoother Experience: Improved navigation between popup and settings

🐛 Bug Fixes
  • Fixed issues with popup interactions
  • Improved reliability of rule storage and synchronization
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