Item logo image for Fetch Monitor

Fetch Monitor

Item media 1 (screenshot) for Fetch Monitor

Overview

Monitor all network requests

# Fetch Monitor - Network Request Inspector A powerful Chrome extension designed for developers to monitor, capture, and inspect all network requests (fetch and XMLHttpRequest) with complete response body data. ## ✨ Key Features - **Real-time Monitoring** - Automatically captures all fetch and XHR requests as they occur - **Response Body Capture** - View complete response bodies including JSON, text, and more - **Custom URL Filtering** - Add specific URLs or patterns to monitor only what matters - **Smart Filtering** - Filter captured requests by monitored URL for easy navigation - **Export Functionality** - Export all captured data to JSON for analysis or debugging - **Badge Counter** - Visual indicator showing the number of captured requests - **Clean Interface** - Modern, intuitive UI with dark-themed code preview - **One-Click Copy** - Quickly copy response bodies to clipboard ## 🎯 Perfect For - **API Debugging** - Inspect API responses and troubleshoot integration issues - **Web Development** - Monitor AJAX requests during development - **Testing** - Verify request/response data in real-time - **Learning** - Understand how web applications communicate with servers ## 🚀 How to Use 1. **Add URLs to Monitor**: Enter the URL patterns you want to track (e.g., `/api/user` or full URLs) 2. **Browse Normally**: Navigate your website - the extension automatically captures matching requests 3. **View Captures**: Click the extension icon to see all captured requests with their response bodies 4. **Filter & Export**: Use the filter feature to focus on specific URLs, or export all data as JSON ## 🔒 Privacy & Security - All data is stored locally in your browser - No data is sent to external servers - Monitor only the URLs you explicitly add - Full control over captured data ## 💡 Use Cases - Debug failed API requests - Verify response data format - Monitor third-party API calls - Capture webhook payloads - Test API endpoints - Learn API behaviors ## 🛠️ Technical Details - Intercepts both [fetch()](cci:1://file:///Users/a58/demo/python-demo/fetch-monitor-extension/inject.js:44:4-62:6) and `XMLHttpRequest` APIs - Captures complete response bodies (JSON, text, etc.) - Supports all HTTP methods (GET, POST, PUT, DELETE, etc.) - Real-time updates every 2 seconds - Limits storage to 1,000 most recent requests Perfect for developers, QA engineers, and anyone who needs to inspect network traffic directly in their browser! --- **Note**: This extension requires access to all websites to monitor network requests. It only captures data from URLs you explicitly add to the monitoring list.

Details

  • Version
    1.1.4
  • Updated
    February 7, 2026
  • Offered by
    liu75675231
  • Size
    74.68KiB
  • Languages
    English
  • Developer
    Email
    liu75675231@126.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

Related

Network Inspector

1.0

A Chrome extension to inspect network requests.

Website TechStack Detector

5.0

Detect and analyze the technology stack of any website with comprehensive insights

Internet Connection Monitor

4.4

Monitor and test Internet connectivity. Detect and log when Internet doesn't work even with operating LAN (Wi-Fi or Ethernet)

Auth Inspector (SAML & OIDC)

5.0

DevTools panel to inspect SAML Requests/Responses and OIDC tokens locally.

IP Manager

4.5

A powerful tool for developers to manage and monitor IP addresses with real-time updates and network diagnostics

Network Monitor

4.6

Use Network Monitor for real-time connection tests, internet quality tests, and detailed network performance insights.

AI Block

3.2

Blocks all websites from calling window.ai

Network Request Analyzer

5.0

Analyzes the timing of all network requests on the current page

Web Inspector

4.6

Use Web Inspector tool as a CSS viewer and website inspector for any page. It is a browser plugin for google chrome inspect element.

Domain Extractor

0.0

Real-time network domain collection tool - Monitors all network requests from websites and extracts domains

Pentest Recon+

5.0

A comprehensive penetration testing reconnaissance tool.

Redirect Checker

5.0

URL redirect checker that lets you check website redirection, follow a full link redirect trace, and view every HTTP status code

Network Inspector

1.0

A Chrome extension to inspect network requests.

Website TechStack Detector

5.0

Detect and analyze the technology stack of any website with comprehensive insights

Internet Connection Monitor

4.4

Monitor and test Internet connectivity. Detect and log when Internet doesn't work even with operating LAN (Wi-Fi or Ethernet)

Auth Inspector (SAML & OIDC)

5.0

DevTools panel to inspect SAML Requests/Responses and OIDC tokens locally.

IP Manager

4.5

A powerful tool for developers to manage and monitor IP addresses with real-time updates and network diagnostics

Network Monitor

4.6

Use Network Monitor for real-time connection tests, internet quality tests, and detailed network performance insights.

AI Block

3.2

Blocks all websites from calling window.ai

Network Request Analyzer

5.0

Analyzes the timing of all network requests on the current page

Google apps