Fetch Monitor icon

Fetch Monitor

by liu75675231

v1.1.4 Updated Feb 7, 2026 74.68KiB
CWS
4
Users
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0 reviews
#30845
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developer
#2525 of 3.5K
⚠️Requests 1 sensitive permission

Description

# 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 ## πŸš€ 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 ## πŸ”’ 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 ## πŸ’‘ Use Cases - Debug failed API requests - Verify response data format - Monitor third-party API calls - Capture webhook payloads - Test API endpoints - Learn API behaviors ## πŸ› οΈ 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.
Fetch Monitor screenshot 1

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Permissions (3)

Permissions

activeTabβ„Ή Can access the current tab when you click the extension storageβ„Ή Can store data locally in your browser webRequestβ„Ή Can observe and analyze network traffic

Details

Version 1.1.4
Updated Feb 7, 2026
Size 74.68KiB
First Seen Mar 22, 2026