Track, analyze & debug REST/JSON API requests. HTTP Network Inspector with session management, HAR export & request replay.
Users
360
+19 in 30 days
Rating
4.6 / 5
unchanged in 30 days
Ratings
8
0 in 30 days
Store rank
#50K
#42K among extensions
Version
1.1.0
updated 25 Feb 2026
Users
monthly, 10 months
Latest, 15 Oct 2026:360 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 15 Oct 2026:8 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About ReloadScope - API Monitor & Network Tracker
ReloadScope is the ultimate Chrome extension for developers who need to track, analyze, and debug REST/JSON API requests with professional-grade tools.
🎯 Why ReloadScope?
Tired of digging through Chrome DevTools Network tab to find API calls? Need to compare API responses or replay requests with modifications? ReloadScope organizes your API traffic into clean, manageable sessions and provides powerful debugging tools right at your fingertips.
✨ Key Features
📊 Smart Session Management
- Automatically organizes API requests by domain and page reload
- Filter by HTTP method (GET, POST, PUT, DELETE) instantly
- Powerful search to find requests across all sessions
- Clean, intuitive sidebar navigation
🔍 Advanced Request Analysis
- Multiple JSON viewers (Code & Tree view)
- Syntax highlighting for better readability
- Header and body inspection
- Automatic JSON schema generation
- Request timing and performance metrics
🛠️ Professional Developer Tools
- Request Replay: Resend any request with custom modifications
- Response Diff: Compare two API responses side-by-side with visual highlighting
- HAR Export/Import: Full HAR 1.2 support for integration with other tools
- Copy as cURL: Generate ready-to-use cURL commands
- PDF Export: Document requests for reports and sharing
- JSON Download: Save response data for offline analysis
🎨 Premium User Experience
- Modern, dark-themed interface designed for developers
- Resizable panels for customized workspace
- Collapsible tree structures with keyboard shortcuts
- Search with match highlighting and navigation
- Responsive design that works on any screen size
💡 Perfect For
✅ Frontend Developers - Debug API integrations and monitor network traffic
✅ Backend Developers - Verify API responses and test endpoints
✅ QA Engineers - Document API behavior and reproduce issues
✅ API Designers - Analyze request/response patterns
✅ DevOps Teams - Export HAR files for performance analysis
🚀 How to Use
- Click the ReloadScope icon in your toolbar
- Toggle tracking ON for any website
- Reload the page to start capturing requests
- Open the Dashboard to analyze your API traffic
- Use filters, search, and comparison tools to debug efficiently
🔒 Privacy & Security
ReloadScope respects your privacy:
- All data is stored locally in your browser
- No data is sent to external servers
- No analytics or tracking
- Open-source and transparent
- Full control over your debugging data
🎓 Great for Learning
Perfect for developers learning:
- RESTful API design patterns
- HTTP request/response structure
- JSON data formats
- API authentication flows
- Network performance optimization
💪 Built by Developers, for Developers
ReloadScope was created by developers who were frustrated with the limitations of existing tools. We built the extension we wished existed - and now it's yours to use!
📈 Regular Updates
We're committed to making ReloadScope the best API monitoring tool available. Expect regular updates with new features, improvements, and bug fixes based on community feedback.
🌟 Core Features in Detail
Session-Based Organization Every page reload creates a new session, making it easy to track API behavior across different user interactions. Sessions are automatically grouped by domain for quick navigation.
Advanced Filtering Toggle HTTP methods on/off to focus on specific request types. The search bar instantly filters across all sessions, helping you find that one request among hundreds.
Beautiful JSON Viewer Switch between code view with syntax highlighting or tree view with collapsible nodes. Search within JSON responses with match highlighting and previous/next navigation.
Request Comparison Select any two requests and compare their responses side-by-side. Visual diff highlighting shows exactly what changed between responses.
Request Replay Click any request to open the replay editor. Modify the URL, headers, or body, then send it again. Perfect for testing API endpoints with different parameters.
HAR Integration Export sessions to HAR 1.2 format for analysis in other tools. Import HAR files from tools like Chrome DevTools or Postman for analysis in ReloadScope's superior interface.
Copy as cURL Instantly generate cURL commands from any request. Perfect for sharing with team members or running from the command line.
Export to PDF Generate professional PDF reports of request details. Great for documentation, bug reports, or sharing with non-technical stakeholders.
🎯 Use Cases
API Development Monitor API calls while developing frontend applications. Verify that requests are sent with correct parameters and responses match expectations.
Debugging Reproduce bugs by comparing API responses between working and broken states. Use the diff tool to identify exactly what changed.
Testing Replay requests with modified parameters to test API behavior. Export to HAR for integration with automated testing tools.
Documentation Generate PDF exports of API requests for documentation purposes. Automatic schema generation helps document API response structures.
Performance Analysis Track request timing and identify slow API calls. Export to HAR for detailed performance analysis.
⚙️ Technical Details
Built With Modern Standards
- Manifest V3 (latest Chrome extension standard)
- Vanilla JavaScript (no framework dependencies)
- Chrome Debugger API for network interception
- Local storage only - no external servers
Keyboard Shortcuts
- Ctrl+Shift+C: Collapse all JSON nodes
- Ctrl+Shift+E: Expand all JSON nodes
- Search navigation with arrow keys
- Smart Features
Preserves session state when filtering
- Remembers expanded/collapsed domains
- Auto-scrolls to search matches
- Intelligent JSON formatting
🎨 Interface Highlights
Resizable Panels Drag the gutter to adjust sidebar and detail panel sizes to your preference.
Collapsible Sections Domains and sessions can be expanded or collapsed. State is preserved even when filtering.
Status Indicators Color-coded HTTP method bad…
Growth
Window
Users
Change
Ratings
Rating
7 days
+6
+1.7%
0
0.00
30 days
+19
+5.6%
0
0.00
6 months
+133
+58.6%
+4
−0.38
Chrome Web Store search rankings
Where ReloadScope - API Monitor & Network Tracker appears when people search the store, with the 30 day change