CORS Unblock

Easily bypass CORS errors during development with a secure ON/OFF toggle. CORS Unblock is a professional Chrome extension built specifically for web developers who need temporary, reliable control over Cross-Origin Resource Sharing during local development and testing. ⭐ Key Features • One-Click ON / OFF Toggle Instantly enable or disable CORS bypass with clear visual feedback. • Visual Status Indicators Color-coded badge and popup status ensure you always know when CORS is active. • Quick Reload Controls Reload the current page directly from the extension for faster iteration. • Intelligent Cache Clearing Clear cache, service workers, and perform hard reloads to avoid stale data during debugging. • Domain Whitelist Management Add or remove domains where CORS bypass is needed, keeping usage controlled and intentional. • Comprehensive Resource Coverage Works with fetch, XMLHttpRequest, scripts, images, stylesheets, fonts, media, and iframes. • Persistent Preferences Remembers your last state across browser restarts. • Privacy-First Architecture No data collection, no tracking, no remote servers. 👨‍💻 Built For • Frontend and backend developers • API and microservice testing workflows • Local development environments • QA and staging validation 🚀 Why Choose CORS Unblock? Unlike generic CORS extensions that modify everything blindly or rely on unsafe debugging APIs, CORS Unblock focuses on: • Control instead of brute force • Clear visibility and safety A practical tool for developers who want predictable CORS handling—without compromising security or stability.