Description
A lightweight Chrome extension that instantly detects if a webpage is built with Next.js framework.
FULL DESCRIPTION:
Next.js Detector is a lightweight Chrome extension that helps developers quickly identify whether a webpage is built using the popular Next.js framework. By analyzing the page's source code, this extension checks for Next.js-specific patterns and provides comprehensive insights about the Next.js implementation.
KEY FEATURES:
• Instant Detection: Automatically detects if the current webpage is powered by Next.js
• Router Type Detection: Identifies whether the site uses Pages Router or App Router
• Version Detection: Shows the Next.js version being used
• Build Information: Displays build ID and timestamp
• Feature Detection: Detects Image Optimization, Font Optimization, API Routes, Server/Client Components, and Middleware
• Statistics: Shows usage counts for Next.js features (images, links, scripts, API routes)
• Deployment Detection: Identifies deployment platforms (Vercel, Netlify, etc.)
• Environment Detection: Distinguishes between development and production environments
• Copy to Clipboard: Export all detection data as JSON for further analysis
• Simple Interface: Displays results in a clean, modern, and easy-to-read popup
• Lightweight and Fast: Minimal impact on browser performance
HOW IT WORKS:
1. Click the extension icon while browsing any webpage
2. The extension automatically analyzes the page's source code
3. View comprehensive information about the Next.js implementation, including:
- Router type (Pages Router vs App Router)
- Next.js version
- Build information
- Features in use
- Statistics and usage counts
- Deployment platform
- Environment details
USE CASES:
• Quick Identification: Instantly identify Next.js-powered websites for debugging or learning purposes
• Technology Stack Analysis: Gain insights into the technology stack of any webpage
• Development Workflow: Understand how Next.js is implemented in real-world applications
• Learning Tool: Discover Next.js features and patterns used across different websites
• Debugging: Quickly check Next.js version and configuration when troubleshooting
WHY USE NEXT.JS DETECTOR?
• Save Time: No need to manually inspect page source, network requests, or browser DevTools
• Learn and Explore: Discover how Next.js is used in real-world applications
• Comprehensive Analysis: Get detailed information about Next.js implementation beyond simple detection
• Developer-Friendly: A must-have tool for developers working with Next.js or exploring web technologies
• Lightweight: Minimal resource usage with no impact on browsing speed
• Free and Open Source: Completely free to use
TECHNICAL DETAILS:
The extension analyzes multiple indicators to detect Next.js:
- __NEXT_DATA__ object (Pages Router)
- /_next/static/ assets (App Router)
- Next.js meta tags and data attributes
- Script and link tags with Next.js patterns
PRIVACY:
Next.js Detector operates entirely locally in your browser. It does not:
- Collect or transmit any data
- Track your browsing habits
- Require internet connectivity (after installation)
- Store any information
All analysis is performed on the client-side, ensuring complete privacy and security.
INSTALLATION:
1. Click "Add to Chrome" on the Chrome Web Store
2. Confirm the installation
3. Start detecting Next.js websites immediately!
Reviews
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Permissions (2)
Permissions
activeTabℹ Can access the current tab when you click the extension scriptingℹ Can inject scripts into web pages
Details
| Version | 1.2 |
| Updated | Jan 12, 2026 |
| Size | 32.87KiB |
| First Seen | Mar 21, 2026 |
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