Next.js Detector icon

Next.js Detector

by Harmanpreet Singh

v1.2 Updated Jan 12, 2026 32.87KiB
CWS
389
Users
★ 5.00
5 reviews
#4193
of 27K
developer
#310 of 2K

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!
Next.js Detector screenshot 1Next.js Detector screenshot 2Next.js Detector screenshot 3

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Permissions (2)

Permissions

activeTab Can access the current tab when you click the extension scripting Can inject scripts into web pages

Details

Version 1.2
Updated Jan 12, 2026
Size 32.87KiB
First Seen Mar 21, 2026