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NetMock

A tool for intercepting, modifying, and mocking HTTP requests and responses. Perfect for testing and debugging. NetMock: Powerful HTTP Request Interception and Mocking Tool for Developers NetMock is a professional development tool that empowers developers, QA engineers, and testers to intercept, modify, and mock HTTP requests and responses directly in the browser. Whether you're building frontend applications, testing APIs, or debugging network issues, NetMock provides the tools you need to work more efficiently without relying on external proxy servers or complex setup. Why NetMock? Modern web development requires constant interaction with APIs and backend services. However, during development, you often need to: - Test your application without a fully functional backend - Simulate different API responses and error scenarios - Debug network requests without modifying server code - Test edge cases and error handling - Develop offline-capable applications - Record and replay HTTP requests for consistent testing - NetMock solves all these challenges by giving you complete control over HTTP traffic in your browser, right where you need it. Key Features: 🔍 HTTP Request Interception NetMock intercepts all HTTP requests made by web pages before they reach the server. This allows you to see exactly what your application is sending and receiving, making debugging faster and more transparent. The extension works seamlessly with fetch API and XMLHttpRequest, covering all modern web applications. 🎭 Request and Response Mocking Create custom mock responses with any status code, headers, and body content. Mock responses are returned instantly, eliminating network latency and allowing you to test your application's behavior under various conditions. Perfect for simulating API responses, error scenarios, or testing with different data sets. 📹 Request Recording Record all HTTP requests made by a website and save them for later use. This feature is invaluable for creating mock rules based on real API calls, understanding application behavior, or documenting API interactions. Recorded requests can be easily converted into mock rules with a single click. 🎯 Site-Specific Activation NetMock only activates on websites you explicitly enable, ensuring it doesn't interfere with your normal browsing. This selective activation gives you precise control over when and where mocking occurs, making it safe to use while browsing the web. 💾 Advanced Rule Management Create, edit, and organize multiple HTTP rules with an intuitive interface. Each rule can match requests based on URL patterns, HTTP methods, and request headers. Rules can be activated or deactivated instantly, allowing you to test different scenarios quickly. Group rules by origin for better organization. 🔍 Real-Time Request Logging Monitor all intercepted requests in real-time with detailed information including URLs, methods, headers, request bodies, response status codes, and timing. The logging system helps you understand your application's network behavior and identify issues quickly. 👤 User Accounts and Authentication Secure user accounts with authentication ensure your rules and settings are safely stored and synchronized. Create an account to access premium features and manage your subscription. ⭐ Premium Features Upgrade to Premium for unlimited rules, sites, and ignored URLs. The free tier includes 10 rules, 5 enabled sites, and 5 ignored URLs - perfect for getting started. Premium subscribers get unlimited access to all features for just $2/month or $10/year. 🎁 Promo Codes Support for promotional codes allows you to unlock extended features or trial periods. Enter promo codes directly in the extension settings. 💳 Secure Payment Processing Premium subscriptions are processed securely through Stripe, ensuring your payment information is protected. Manage your subscription, view billing history, and cancel anytime directly from the extension. 🚫 Ignored URLs Configure URLs that should be excluded from recording and interception. This is useful for excluding analytics, tracking pixels, or other third-party requests that aren't relevant to your testing. Use Cases: Frontend Development Develop and test frontend applications without waiting for backend APIs to be ready. Mock API responses to build UI components independently, test different data scenarios, and work offline. API Testing and Debugging Intercept and inspect API calls to understand request/response formats, debug authentication issues, and verify that your application sends correct data to the server. Error Scenario Testing Simulate various error conditions (400, 401, 403, 404, 500, etc.) to ensure your application handles errors gracefully. Test edge cases without modifying server code. Performance Testing Mock responses to eliminate network latency and test application performance under ideal conditions. This helps identify performance bottlenecks in your code rather than network issues. Offline Development Create mock responses for all API endpoints to develop and test applications that work offline or with limited connectivity. QA and Testing QA engineers can use NetMock to test applications with different API responses, simulate server errors, and verify error handling without requiring backend changes. API Documentation Record real API calls to document API interactions and understand how applications communicate with backend services. How It Works: - Install and Enable: Install NetMock and add websites where you want to enable request interception. - Create Rules: Define HTTP rules that match specific requests based on URL patterns, methods, or headers. - Configure Responses: Set up mock responses with custom status codes, headers, and body content. - Activate Mocking: Enable mocking on specific sites, and NetMock will automatically intercept matching requests. - Monitor and Debug: Use the real-time logging feature to monitor all intercepted requests and responses. Privacy and Security: NetMock respects your privacy. All rules and settings are stored locally in your browser by default. When you create an account, data is securely synchronized to our servers using industry-standard encryption. We never intercept or store your actual request/response data - only the rules you create. The extension only activates on websites you explicitly enable, ensuring your normal browsing remains unaffected. Getting Started: Install NetMock from the Chrome Web Store Click the extension icon to open the popup Add websites where you want to enable mocking Create your first HTTP rule or record requests from a website Start developing and testing with full control over HTTP traffic Perfect For: - Frontend developers building modern web applications - Full-stack developers testing API integrations - QA engineers performing comprehensive testing - DevOps engineers debugging network issues - Students learning web development - Anyone who needs to test web applications without backend dependencies Technical Details: NetMock uses Chrome Extension Manifest V3 and works by injecting an interceptor script into web pages. The extension uses Content Security Policy (CSP)-safe injection methods and respects browser security policies. All processing happens locally in your browser, ensuring fast performance and privacy. Support: Need help? Visit our website for documentation, tutorials, and support. We're committed to providing the best possible experience for developers and testers. Start Using NetMock Today: Stop waiting for backend APIs. Stop setting up complex proxy servers. Start developing and testing with NetMock - the all-in-one solution for HTTP request interception and mocking in your browser.

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