
CORS Unblock by rxliuli
Web apps cross-origin access with precise domain control and simple permissions.
You'll need Firefox to use this extension
Extension Metadata
Screenshots


About this extension
CORS Unblock is a powerful browser extension that enhances web applications by enabling controlled cross-origin requests. It provides native-like networking capabilities while maintaining security through explicit permission controls.
Key Features:
• Precise Domain Control
- Grant specific websites permission to access external APIs
- Manage permissions on a per-domain basis
- Revoke access anytime through an intuitive interface
• Security-First Design
- No user data collection
- All operations performed locally in your browser
- Explicit permission model for maximum security
• Developer-Friendly
- Simple API integration
- Programmatic permission requests
- Seamless cross-origin requests once authorized
• Lightweight & Efficient
- Minimal impact on browsing performance
- Clean, intuitive user interface
- Quick permission management
For Developers:
CORS Unblock provides a straightforward API to request domain access permissions. Once user authorization is granted, your web application can make cross-origin requests without complex proxy servers or CORS configurations.
For Users:
The extension works automatically in the background. When a web application needs cross-origin access, you'll receive a clear permission request. You maintain full control over which domains can communicate with each other.
Privacy & Security:
We take your privacy seriously. CORS Unblock:
- Collects no user data
- Processes all operations locally
- Requires explicit permission for each domain
- Allows instant permission revocation
This extension is perfect for developers building modern web applications and users who want to safely enable cross-origin capabilities while maintaining control over their browsing security.
Key Features:
• Precise Domain Control
- Grant specific websites permission to access external APIs
- Manage permissions on a per-domain basis
- Revoke access anytime through an intuitive interface
• Security-First Design
- No user data collection
- All operations performed locally in your browser
- Explicit permission model for maximum security
• Developer-Friendly
- Simple API integration
- Programmatic permission requests
- Seamless cross-origin requests once authorized
• Lightweight & Efficient
- Minimal impact on browsing performance
- Clean, intuitive user interface
- Quick permission management
For Developers:
CORS Unblock provides a straightforward API to request domain access permissions. Once user authorization is granted, your web application can make cross-origin requests without complex proxy servers or CORS configurations.
For Users:
The extension works automatically in the background. When a web application needs cross-origin access, you'll receive a clear permission request. You maintain full control over which domains can communicate with each other.
Privacy & Security:
We take your privacy seriously. CORS Unblock:
- Collects no user data
- Processes all operations locally
- Requires explicit permission for each domain
- Allows instant permission revocation
This extension is perfect for developers building modern web applications and users who want to safely enable cross-origin capabilities while maintaining control over their browsing security.
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PermissionsLearn more
This add-on needs to:
- Block content on any page
- Access browser tabs
- Access your data for all websites
This add-on may also ask to:
- Access your data for all websites
More information
- Add-on Links
- Version
- 0.3.1
- Size
- 777.94 KB
- Last updated
- 11 days ago (Apr 29, 2025)
- Related Categories
- License
- MIT License
- Version History
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