Devsly's Professional Chrome Extensions: Network Tools, Webhook Testing & Proxy Management

Your browser is your IDE, your testing environment, and your debugging tool all rolled into one. That's why we've brought Devsly's powerful developer tools directly into Chrome with three professional extensions designed to supercharge your development workflow.

Why Chrome Extensions for Developers?

Modern web development happens in the browser. Rather than switching between multiple tools and applications, smart developers keep their toolkit right where they work - in Chrome. Our extensions integrate seamlessly into your workflow, providing instant access to powerful tools without disrupting your flow.

The Devsly Chrome Extension Ecosystem

We've built three specialized extensions, each focused on solving specific development challenges:

  • Devsly Network Tools - For network monitoring & debugging
  • HookFlow Webhook Tester - For API integration & webhook testing
  • Proxy Pilot - For proxy management & routing

Let's dive deep into each one.

1. Devsly Network Tools: Your Browser's Network Command Center

Add to Chrome - Free

### Comprehensive network analysis and debugging tools right in your browser. Monitor, analyze, and debug network requests with ease.

What It Does

Devsly Network Tools transforms your Chrome browser into a powerful network analysis platform. Whether you're debugging API calls, monitoring WebSocket connections, or analyzing HTTP headers, this extension provides the insights you need.

Key Features

#### 🌐 Real-time Network Monitoring

  • Live Request Tracking: See every network request as it happens
  • Filter & Search: Quickly find specific requests by URL, method, or status code
  • Performance Metrics: Track request duration, payload size, and timing breakdowns
  • WebSocket Support: Monitor WebSocket connections and messages in real-time

Use Case: Debugging slow API responses? The real-time monitoring shows exactly which endpoints are dragging down your application's performance.

#### 🔍 Request/Response Inspection

  • Complete Header Analysis: View all request and response headers
  • Payload Viewer: Inspect JSON, XML, form data, and binary payloads
  • Cookie Inspector: Analyze cookies being sent and received
  • Authentication Debugging: Decode JWT tokens, examine Bearer tokens, and debug OAuth flows

Use Case: API returning unexpected data? Inspect the full request/response cycle to identify where things go wrong.

#### ✏️ Header Analysis & Editing

  • Edit Headers: Modify request headers before sending
  • Custom Headers: Add authentication tokens, API keys, or custom headers
  • CORS Debugging: Identify and resolve CORS issues
  • Security Headers: Verify security headers like CSP, HSTS, and X-Frame-Options

Use Case: Testing how your API behaves with different authentication headers? Edit them on-the-fly without modifying your code.

#### 📊 Performance Metrics

  • Timing Breakdown: DNS lookup, TCP connection, SSL handshake, and response times
  • Waterfall Charts: Visualize request dependencies and bottlenecks
  • Size Analysis: Track bandwidth usage per request
  • Cache Performance: Monitor cache hits and misses

Use Case: Optimizing page load time? The waterfall chart shows exactly where time is being spent.

Who It's For

  • Frontend Developers: Debug API integrations and optimize network performance
  • Backend Developers: Test API endpoints and verify responses
  • DevOps Engineers: Monitor application network behavior in production
  • QA Engineers: Verify network-related requirements and performance SLAs

Real-World Workflows

Workflow 1: API Integration Testing

  • Open the extension while developing
  • Make API calls from your application
  • Inspect request/response in real-time
  • Modify headers to test edge cases
  • Verify authentication and data flow

Workflow 2: Performance Optimization

  • Load your application
  • Review the waterfall chart
  • Identify slow requests
  • Analyze payload sizes
  • Optimize based on metrics

Workflow 3: WebSocket Debugging

  • Connect to WebSocket server
  • Monitor connection status
  • View messages in both directions
  • Debug real-time data flow
  • Test reconnection scenarios

Technical Specs

  • Lightweight: Less than 500KB download size
  • Privacy-First: All processing happens locally
  • Zero Config: Works immediately after installation
  • Keyboard Shortcuts: Quick access with customizable shortcuts
  • Export Support: Export network logs for analysis

Install Devsly Network Tools - Free

2. HookFlow Webhook Tester: Instant Webhook Testing & Debugging

Add to Chrome - Free

### Test and debug webhooks instantly without leaving your browser. Perfect for API development and integration testing.

What It Does

HookFlow eliminates the friction in webhook development. Get an instant webhook endpoint, test incoming requests, and debug payloads - all from your browser toolbar. No more copying URLs, switching tabs, or refreshing pages.

Key Features

#### ⚡ Instant Webhook Endpoints

  • One-Click Generation: Create unique webhook URLs instantly
  • Multiple Endpoints: Manage several webhooks simultaneously
  • Custom Paths: Create memorable endpoint URLs
  • Secure HTTPS: All endpoints use secure HTTPS connections

Use Case: Integrating Stripe webhooks? Generate a test endpoint in seconds and start receiving events immediately.

#### 📜 Request History & Replay

  • Complete History: Every webhook request is saved
  • Replay Requests: Resend previous webhooks for testing
  • Compare Payloads: Side-by-side comparison of different requests
  • Export History: Download webhook logs for documentation

Use Case: Missed a webhook event? The history lets you review and replay it as many times as needed.

#### 🔬 Payload Inspection

  • Syntax Highlighting: Beautiful JSON, XML, and form data rendering
  • Search & Filter: Find specific fields in large payloads
  • Tree View: Navigate complex nested objects easily
  • Raw View: See the exact bytes received

Use Case: Debugging webhook payload structure? The tree view makes it easy to explore complex JSON objects.

#### ⚙️ Custom Response Configuration

  • Status Codes: Return any HTTP status code
  • Custom Bodies: Configure response payloads
  • Headers: Set custom response headers
  • Delays: Simulate slow network conditions
  • Conditional Responses: Different responses based on request data

Use Case: Testing error handling? Configure your endpoint to return 500 errors and see how your application responds.

Webhook Testing Workflows

Workflow 1: Third-Party Integration

  • Create a new webhook endpoint
  • Configure it in the third-party service (Stripe, GitHub, etc.)
  • Trigger an event
  • Inspect the payload structure
  • Implement handler in your application

Workflow 2: Local Development

  • Generate a webhook URL
  • Use it in your local development setup
  • Test your webhook handler code
  • Iterate quickly without deploying
  • Verify error handling with custom responses

Workflow 3: Integration Testing

  • Create test webhook endpoints
  • Configure automated tests to trigger webhooks
  • Verify payloads match expectations
  • Replay webhooks for regression testing
  • Document webhook formats with exported logs

Supported Integrations

HookFlow works with any service that sends webhooks, including:

  • 💳 Payment Processors: Stripe, PayPal, Square
  • 🔗 Version Control: GitHub, GitLab, Bitbucket
  • 💬 Communication: Slack, Discord, Twilio
  • 📧 Email Services: SendGrid, Mailgun, Postmark
  • 🛒 E-commerce: Shopify, WooCommerce, BigCommerce
  • ☁️ Cloud Platforms: AWS SNS, Google Cloud Pub/Sub, Azure Event Grid

Why Developers Love HookFlow

"I used to use webhook.site, but HookFlow being in my browser is so much faster. The replay feature alone has saved me hours of debugging." - Mike T., Backend Developer
"The custom response configuration is genius. I can test all my error handling scenarios without touching production services." - Ana L., Full-Stack Engineer

Install HookFlow Webhook Tester - Free

3. Proxy Pilot: Professional Proxy Management for Chrome

Add to Chrome - Free

### Effortlessly manage and switch between proxies with advanced control features. Perfect for developers and security professionals.

What It Does

Proxy Pilot brings enterprise-grade proxy management to your browser. Whether you're testing geo-specific features, bypassing restrictions, or enhancing privacy, Proxy Pilot provides the control and flexibility you need.

Key Features

#### 🚀 Quick Proxy Switching

  • One-Click Toggle: Switch proxies with a single click
  • Recent Proxies: Quick access to recently used configurations
  • Favorites: Save your most-used proxies for instant access
  • Keyboard Shortcuts: Switch proxies without touching your mouse

Use Case: Testing geo-restricted features? Switch between proxies from different countries instantly.

#### 📁 Multiple Proxy Profiles

  • Unlimited Profiles: Create as many proxy configurations as needed
  • Profile Groups: Organize proxies by project, client, or purpose
  • Import/Export: Share proxy configurations across devices
  • Auto-Sync: Keep profiles synchronized (premium feature)

Use Case: Managing multiple clients? Create a profile for each client's proxy requirements.

#### 🎯 Advanced Routing Rules

  • URL Patterns: Route specific domains through specific proxies
  • Wildcard Support: Use wildcards for flexible routing
  • Regex Patterns: Advanced URL matching with regular expressions
  • Fallback Proxies: Automatic fallback if primary proxy fails

Use Case: Only need a proxy for specific domains? Set up rules to route only certain traffic through proxies.

#### 📡 Connection Monitoring

  • Real-time Status: See your proxy connection status at a glance
  • Performance Metrics: Monitor proxy speed and reliability
  • Error Logging: Track connection failures and issues
  • Bandwidth Usage: Monitor data consumption per proxy

Use Case: Proxy not working? The connection monitor shows exactly what's wrong and suggests fixes.

Proxy Types Supported

  • HTTP Proxies: Standard HTTP proxy servers
  • HTTPS Proxies: Secure HTTPS connections
  • SOCKS4: SOCKS version 4 protocol
  • SOCKS5: Full SOCKS5 support with authentication
  • SSH Tunnels: Secure SSH-based proxies

Use Cases for Developers

#### 1. Geographic Testing

Test how your application behaves in different regions:

  • Verify geo-IP based features
  • Test CDN routing
  • Validate regional content
  • Debug location-specific bugs

#### 2. Security Testing

Enhance your security testing workflow:

  • Test from different IP addresses
  • Verify IP-based rate limiting
  • Simulate attacks from various sources
  • Test WAF rules

#### 3. Web Scraping Development

Build and test scraping tools:

  • Rotate through multiple IPs
  • Avoid rate limits
  • Test scraper resilience
  • Verify data collection across regions

#### 4. Privacy-Focused Development

Maintain privacy while developing:

  • Hide your real IP address
  • Prevent tracking during testing
  • Separate work and personal browsing
  • Test privacy features

Configuration Examples

Example 1: Development Proxy

Profile Name: Local Development

Proxy Type: HTTP

Host: localhost

Port: 8888

URL Pattern: .dev.company.com

Example 2: Geographic Testing

Profile Name: US West

Proxy Type: HTTPS

Host: us-west.proxy.example.com

Port: 443

Username: dev_user

Password:

Example 3: Security Testing

Profile Name: Security Test

Proxy Type: SOCKS5

Host: 10.0.1.100

Port: 1080

URL Pattern: testapp\.internal\..

Performance & Security

  • Encrypted Storage: All proxy credentials are encrypted
  • No Data Logging: Proxy Pilot never logs your browsing activity
  • Minimal Overhead: Negligible impact on browsing speed
  • Battery Efficient: Optimized for laptop battery life

Install Proxy Pilot - Free

Why Choose Devsly Extensions?

🎯 Purpose-Built for Developers

Every feature is designed with developer workflows in mind. No bloat, no unnecessary features - just the tools you need.

🔒 Privacy-First Approach

  • All processing happens locally in your browser
  • No data is sent to external servers
  • No tracking, no analytics on your usage
  • Open-source components where possible

⚡ Performance-Focused

  • Lightweight downloads (each under 1MB)
  • Minimal memory footprint
  • Fast startup and response times
  • Battery-efficient operation

🆓 Always Free

Core features remain free forever. Premium features (if any) are clearly marked and optional.

🛠️ Actively Maintained

  • Regular updates and improvements
  • Bug fixes within 48 hours
  • Feature requests welcome
  • Responsive support team

The Complete Devsly Chrome Extension Stack

Use all three extensions together for maximum productivity:

Morning Workflow Example

9:00 AM - Start Development

  • Open Chrome with Devsly extensions
  • Activate Proxy Pilot for geo-testing
  • Start Devsly Network Tools monitoring
  • Generate HookFlow endpoint for today's integration

10:00 AM - API Integration

  • Use HookFlow to test incoming webhooks
  • Monitor requests with Network Tools
  • Debug payloads and responses
  • Iterate quickly with instant feedback

2:00 PM - Testing & QA

  • Switch proxies with Proxy Pilot for multi-region testing
  • Use Network Tools to verify performance across regions
  • Test webhook delivery with HookFlow
  • Document findings with exported logs

5:00 PM - Wrap Up

  • Export network logs for team review
  • Save HookFlow requests for tomorrow
  • Document proxy configurations
  • Push tested code to production

Installation Guide

Quick Install (Recommended)

  • Devsly Network Tools
- Click here to install

- Click "Add to Chrome"

- Click "Add extension" to confirm

- Pin to toolbar for easy access

  • HookFlow Webhook Tester
- Click here to install

- Click "Add to Chrome"

- Click "Add extension" to confirm

- Pin to toolbar for easy access

  • Proxy Pilot
- Click here to install

- Click "Add to Chrome"

- Click "Add extension" to confirm

- Pin to toolbar for easy access

First-Time Setup

Devsly Network Tools:

  • No setup required - works immediately
  • Optional: Configure keyboard shortcuts in chrome://extensions/shortcuts

HookFlow:

  • Click icon to generate your first webhook
  • Optional: Create an account to sync across devices

Proxy Pilot:

  • Add your first proxy in the settings
  • Optional: Import proxy list if you have one

Frequently Asked Questions

Are these extensions really free?

Yes! Core features are 100% free forever. We believe in giving developers the tools they need without barriers.

Do I need an account?

No account required for basic functionality. Optional account creation enables cloud sync and advanced features.

Is my data secure?

Absolutely. All processing happens locally. We don't track, log, or transmit your browsing data.

Can I use these for commercial projects?

Yes! Use them freely for personal and commercial projects.

Do these work in other browsers?

Currently Chrome-only, but Firefox and Edge versions are in development.

How do I report bugs or request features?

Visit our GitHub repository or email [email protected]

What Developers Are Saying

"These extensions have replaced at least 5 separate tools in my workflow. The integration is seamless." - James K., Senior Developer
"HookFlow alone has saved me probably 10 hours this month. No more switching to webhook.site!" - Rachel P., API Engineer
"Finally, proxy management that doesn't suck. Proxy Pilot is everything I wished other extensions would be." - David L., Security Researcher
"The Devsly trio is now part of my essential Chrome setup. Can't imagine developing without them." - Maria S., Full-Stack Developer

Comparison with Alternatives

Feature
Devsly Extensions
Alternative Tools
------------------

-------------------
Price
Free

$5-15/month
Setup Time
< 1 minute

5-10 minutes
Privacy
Local processing

Cloud-based
Integration
Native Chrome

Separate apps
Speed
Instant

2-3 second delay
Updates
Automatic

Manual

Getting Started Today

Ready to supercharge your development workflow?

  • Install the Stack
- Devsly Network Tools →

- HookFlow Webhook Tester →

- Proxy Pilot →

  • Explore Devsly.io
- Visit devsly.io for 65+ free web-based tools

- No installation required

- Works on any device

  • Join the Community
- Follow @devsly on Twitter

- Star us on GitHub

- Join our Discord community

What's Next?

We're constantly improving our extensions. Coming soon:

  • 🎨 Dark Mode Themes - Customize extension appearance
  • 📱 Mobile Companion Apps - Sync your tools across devices
  • 🤖 AI-Powered Insights - Automatic network analysis suggestions
  • 🔗 Browser Sync - Use your configurations across all Chrome instances
  • 📊 Advanced Analytics - Deep insights into your development patterns

Related Articles:

Last Updated: November 1, 2025

Extensions are available for free on the Chrome Web Store

Visit devsly.io for more developer tools