Start building browser extensions that work across all major platforms, with support for TypeScript, WebAssembly, and next-generation JavaScript. No configuration is required.

Features

  • Unified API for multiple browsers
  • Simplified messaging between background and content scripts
  • Documentation available
  • Examples available
  • Support for asynchronous operations
  • Event handling abstraction

Project Samples

Project Activity

See All Activity >

License

MIT License

Follow Extension.js

Extension.js Web Site

Other Useful Business Software
Our Free Plans just got better! | Auth0 Icon
Our Free Plans just got better! | Auth0

With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
Try free now
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of Extension.js!

Additional Project Details

Programming Language

TypeScript

Related Categories

TypeScript SaaS Boilerplates

Registered

2024-12-03