HttpWatch

NeumetrixDebugging & Testing Tools
Version v16.x (Jul 28, 2026)

Analyze and debug HTTP and HTTPS traffic directly in your browser.

  • Captures HTTP and HTTPS traffic directly within the browser without proxy configuration.
  • Provides detailed performance metrics to identify bottlenecks and optimize page load times.
  • Supports automation through APIs for performance testing and data collection.
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In-browser HTTP sniffer.
HttpWatch is an in-browser HTTP and HTTPS analysis tool that captures and inspects network traffic directly within Google Chrome and Microsoft Edge. It provides detailed visibility into requests, responses, performance timings, cookies, and security configurations, enabling developers to diagnose issues, optimize web performance, and analyze application behavior without requiring external proxy tools.

In-Browser Network Traffic Capture

Captures HTTP and HTTPS requests and responses directly within the browser, enabling developers to inspect network activity in real time without relying on external tools or switching environments.

Detailed Performance Analysis

Provides accurate timing data for page loads, individual resources, and network latency, helping identify performance bottlenecks and opportunities to improve responsiveness.

HTTPS and SSL Inspection

Analyzes encrypted HTTPS traffic and highlights SSL configuration issues, enabling developers to detect security weaknesses and verify secure communication between client and server.

Cookie Inspection and Debugging

Displays detailed cookie information, including blocked cookies and reasons for rejection, helping diagnose issues related to authentication, privacy settings, and browser policies.

Request and Response Analysis

Allows detailed inspection of headers, content, and status codes for HTTP requests and responses, enabling precise debugging of server communication and API interactions.

JavaScript Console Integration

Captures console output such as errors, warnings, and log messages, providing additional context for debugging client-side behavior alongside network activity.

Automation and Testing Integration

Provides APIs for integration with automated testing frameworks, enabling consistent collection of performance and network data during functional and load testing scenarios.

Support for Modern Web Technologies

Handles requests generated by modern APIs such as Fetch and XMLHttpRequest, and supports debugging of service workers and progressive web application behavior.

Exportable Logging and Analysis

Allows captured sessions to be saved and shared as log files, enabling offline analysis, collaboration, and troubleshooting across development and testing teams.