Extension.pro.bd — Browser Extension Resources

Quick Access

Jump to the most useful resources

📘 Chrome Docs Official MV3 API reference 🦊 Firefox Workshop Mozilla extension guide 🛒 Chrome Web Store Browse & publish 🦊 Firefox Add-ons Mozilla extension store ⚡ WXT Framework Modern ext. scaffold 🚀 Plasmo React-based builder 🔍 CRXcavator Security risk scanner 📄 Build Guide Start from scratch

Extension Directory

Curated, security-checked extensions for developers and power users

Extension	Description	Price	Browsers	Rating
🦊 uBlock Origin	Efficient ad & tracker blocker, light on resources	Free	ChromeFirefoxEdge	★★★★★
🔍 Wappalyzer	Detect tech stack, frameworks & servers on any site	Freemium	ChromeFirefox	★★★★☆
📋 JSON Formatter	Prettify JSON in-browser with syntax highlighting	Free	ChromeFirefox	★★★★★
🔌 React DevTools	Inspect React component trees and state	Free	ChromeFirefox	★★★★★
🌐 ModHeader	Modify HTTP request & response headers	Freemium	ChromeFirefox	★★★★☆
⏱ Toggl Track	One-click time tracking across 100+ tools	Freemium	ChromeFirefox	★★★★☆
📌 OneTab	Convert all tabs into a list, reduce memory 95%	Free	ChromeFirefox	★★★★★
🎨 ColorZilla	Pick colors from any page, gradient analyzer	Free	ChromeFirefox	★★★★☆
📐 VisBug	Open-source design debug tools for any website	Free	Chrome	★★★★☆
🔐 Bitwarden	Open-source password manager with auto-fill	Freemium	ChromeFirefoxEdge	★★★★★
🤖 Monica AI	GPT-4 & Claude sidebar — summarize, translate, code	Freemium	ChromeEdge	★★★★☆
✍️ Grammarly	AI writing assistant for grammar, tone & clarity	Freemium	ChromeFirefoxEdge	★★★★☆

Build Your Own Extension

Step-by-step guides to create Chrome, Firefox and Edge extensions

manifest.json — MV3 starter

{
  "manifest_version": 3,
  "name": "My Extension",
  "version": "1.0.0",
  "description": "What my extension does",
  "permissions": ["activeTab", "storage"],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [{
    "matches": ["<all_urls>"],
    "js": ["content.js"]
  }]
}