Network Ninja

Network Debugger Plus

Advanced network request inspector with filtering and payload viewer Network Debugger Plus (ND+) is a powerful Chrome DevTools extension for debugging and inspecting network requests, offering interactive JSON tree views that automatically parse and present request and response payloads in a clear, structured format. Extension developed by: Max Shtefan • NEW FEATURE: Click icon to launch and try the side panel. • Real-Time Network Monitoring Capture and display network requests as they happen in real-time. No need to wait for pages to fully load - see request details immediately. • Advanced Filtering Filter requests by URL keywords with persistent search. Your filter preferences are saved and restored when you reopen DevTools. • Interactive JSON Tree View Automatically parse and display JSON payloads in a clean, collapsible tree structure. Expand and collapse objects and arrays with a single click. • Form Data Parser Parse and display form data (URL-encoded and multipart) in organized key-value tables. Nested JSON within form data is automatically parsed into tree views. • Resizable Columns Adjust column widths to fit your workflow. All columns are independently resizable with intuitive drag handles. • Dark Mode Support Toggle between light and dark themes with a beautiful night sky button. Your preference is saved across sessions. • Request Cancellation Detection Automatically detect and highlight canceled requests with red styling. Cancel pending requests by pressing ESC. • Quick URL Access Double-click any request to open its URL in a new tab for quick navigation. • Smart Highlighting Highlight specific form data values with persistent checkboxes. Your highlights are saved and restored. • Responsive Layout Resizable request panel allows you to customize the layout to your preference. 🎯 PERFECT FOR: • Analysts and Business Intelligence Teams • Frontend developers debugging API calls • Backend developers testing endpoints • QA engineers inspecting network traffic • Anyone who needs detailed network request analysis 📊 WHAT YOU GET: • Complete request/response headers • Parsed payload visualization • Status code tracking • Request size information • Content type detection • Real-time updates ⚡ EASY TO USE: 1. Open Chrome DevTools (F12) 2. Click on the "Network Debugger Plus" tab 3. Start inspecting network requests immediately 4. NEW FEATURE: Click icon to launch a side panel All data is processed locally in your browser - no external servers, no tracking, complete privacy.

DreamFactory API Tools

Modify HTTP headers, test APIs, and generate curl commands A comprehensive toolkit designed for DreamFactory developers and API testers. This extension combines header management, curl command generation, and API testing in one convenient interface. Key Features: • Header Management - Add, modify, and enable/disable custom HTTP headers - Domain-specific header filtering - Automatic header injection into browser requests • Curl Command Generator - Build curl commands with a user-friendly interface - Import existing curl commands - Save and manage frequently used commands - One-click current URL capture - Parameter and header management - JSON request body support with formatting • API Testing - Test API endpoints directly from the extension - Support for all HTTP methods (GET, POST, PUT, PATCH, DELETE) - Query parameter builder - Custom header management - JSON request body with syntax highlighting - Formatted response viewing with syntax highlighting - Response headers inspection - Response time metrics Additional Features: • Pin extension window for persistent access • Save and load frequently used API requests • JSON formatting and validation • Dark mode interface • Cross-browser compatibility Perfect for: • DreamFactory developers • API testers • Backend developers • Anyone working with REST APIs This extension streamlines the API development and testing workflow by providing essential tools in an intuitive, easy-to-use interface.

RequestScope

Monitor network requests and API failures with real-time insights 🚀 RequestScope – The Ultimate Network Monitor, API Debugger & Analytics Tool for Web Professionals! RequestScope is a professional-grade Chrome extension designed for developers, QA engineers, product managers, and advanced users. It seamlessly monitors, analyzes, and mocks network requests directly from your browser—without needing external tools like Postman or Charles Proxy. Whether you're debugging elusive API failures, optimizing page load times, mocking responses for UI testing, or analyzing third-party tracking scripts, RequestScope gives you unparalleled visibility into the network layer. 🎭 Intelligent API Mocking – Intercept and mock API responses on the fly. Test different UI states, error handling, and edge cases instantly without changing backend code. 🤖 AI-Powered "Hostile Roasts" – Get your website's performance and network health hilariously roasted (and critiqued) by AI based on real-time data! 📊 Full Payload Capture Details – Inspect request bodies, response payloads, hidden headers, and timing metrics in a clean, syntax-highlighted UI. 💾 Persistent Session Storage – Network history is preserved securely across browser restarts. Close Chrome and come back later without losing your session data! 🔍 Smart E2E Navigation Grouping – Requests are logically grouped by "Previous Load" and "Current Load", so you know exactly which actions triggered which API calls. 🛠️ Advanced API Debugging & Inspection Monitor all XHR, Fetch, Script, Document, Image, and Web Socket requests. Instantly identify 4xx and 5xx errors with color-coded alerts and visual UI indicators. Deep-dive into request and response bodies (JSON, Text, Form Data, URL params) with syntax highlighting and automatic formatting. Compare differences between two similar requests with built-in diffing tools. ⏱️ Performance & Speed Optimization Analyze page load times with precision metrics (Navigation Timing API & Fallbacks). Identify the top 10 slowest endpoints dragging down your application's UX. Monitor "Time to First Byte" (TTFB) and total request durations to optimize your Critical Rendering Path. 📈 Intelligent Analytics & Reports Generate comprehensive, shareable HTML Performance Reports with a single click. View total bandwidth weight, success/error ratios, and resource categorization charts. Track analytics across all domains with the "Full History Archive" or isolate data to the "Current Page". 🎯 Laser-Focused Filtering & Allowlisting Cut the noise. Use powerful allowlisting and domain targeting so you only capture requests for the websites you actually care about. Mute specific URLs, noisy analytics trackers, or third-party ads to keep your logs clean. Advanced Regex and glob pattern support for ultimate control over what gets captured. 🔔 Real-Time Toaster Notifications Get unobtrusive, in-page toaster alerts the exact millisecond an API fails or a request is dangerously slow. Configure custom thresholds (e.g., alert me if any request takes > 3 seconds). 🛡️ Privacy-First & Secure Runs entirely locally in your browser context. We do not track you, we do not collect telemetry, and your data never leaves your machine. All request history is stored securely using browser-native IndexedDB and Extension Local Storage. 👨‍💻 WHO IS REQUESTSCOPE FOR? Frontend Developers: Mock APIs while the backend is still being built. Debug CORS errors, missing headers, and malformed JSON payloads instantly. Backend Developers: Verify that your endpoints are returning the correct data shapes and HTTP status codes in the wild. QA Engineers & Testers: Capture E2E test failures, export HAR files or Postman collections, and attach full network traces to bug reports. Product Managers & SEO Experts: Monitor third-party script bloat, track page load speeds, and verify analytics firing correctly. 💡 HOW TO USE IT Install RequestScope. Click the extension icon to open the popup. Add your target website domain (e.g., localhost or yourdomain.com) to the Allowlist in Settings. Browse your site! RequestScope will silently capture, categorize, and analyze the traffic. Click any request to view full details, mock the response, or generate a final report. ⚡ Stop guessing why your web app is broken. Start debugging with precision. Install RequestScope today!

NetLab - Network Debugging Proxy

Chrome DevTools network proxy for intercepting, modifying, and debugging HTTP requests. Like Fiddler/Charles but built into DevTools 🔧 NetLab - The Ultimate Network Debugging Tool for Developers Transform Chrome DevTools into a powerful network debugging proxy, similar to Fiddler or Charles Proxy but seamlessly integrated into your browser. No separate applications needed! ⚡ KEY FEATURES: • Intercept and modify HTTP/HTTPS requests in real-time • Filter network traffic by URL, method, or resource type • Redirect requests to different endpoints for testing • Modify request/response headers, body content, and status codes • Add custom response delays to simulate slow networks • Cancel requests on demand for testing error scenarios • Create automated rules for consistent modifications • Built-in scripting support for advanced customization 🎯 PERFECT FOR: ✅ Web developers debugging API integrations ✅ QA engineers testing edge cases and error conditions ✅ Frontend developers mocking backend responses ✅ API testing and validation ✅ Performance testing with simulated delays ✅ Security testing and request analysis 💡 WHY CHOOSE NETLAB OVER ALTERNATIVES: 🚀 Zero setup - works directly in Chrome DevTools 🚀 Lightweight and fast - no external proxy servers 🚀 Intuitive interface designed for developers 🚀 Powerful rule engine for automation 🔥 DEVELOPER PRODUCTIVITY BOOST: • Debug complex API flows without leaving your browser • Test different response scenarios instantly • Simulate network conditions and errors • Validate request/response data on the fly • Create reusable debugging configurations Simply install, open Chrome DevTools, and look for the NetLab tab. Start intercepting and modifying network traffic in seconds! Perfect replacement for desktop tools like Fiddler, Charles Proxy, or Burp Suite for web development workflow