Browser Extension Developer
Great Docs, Tools, APIs - Maximize Your Efficiency
Tools & APIs
Extension Rankings
Explore comprehensive rankings of Chrome extensions by popularity, growth, and updates. Discover emerging trends, user favorites, and market opportunities to inspire your next extension project. Perfect for developers seeking insights and innovation.
Chrome Download
Provides installation files for different versions of Chrome for different operating systems to help developers test their Chrome extensions.
JSON Translator
Powerful JSON translation tool for Chrome extensions. Supports 55 languages, AI-powered translation, and bulk language file generation.
Docs & Tutorials
API reference
Most extensions need access to one or more Chrome Extensions APIs to function. This API reference describes the APIs available for use in extensions and presents example use cases.
Permissions
To access most extension APIs and features, you must declare permissions in your extension's manifest. Some permissions trigger warnings that users must allow to continue using the extension.
Manifest the format
Every extension must have a `manifest.json` file in its root directory that lists important information about the structure and behavior of that extension.