EmulatorJS is a web-based frontend for RetroArch that allows users to run retro games directly in a browser without requiring local emulator installations. Built using JavaScript and WebAssembly technologies, it provides access to a wide range of console and arcade systems through a unified interface. The project functions as a library or plugin rather than a standalone application, enabling developers to embed emulation capabilities into websites or custom platforms. It offers multiple build versions, including stable, latest, and nightly, allowing users to balance reliability and cutting-edge features depending on their needs. EmulatorJS leverages CDN distribution for easy deployment and scalability, making it accessible for both personal and production environments. Its architecture supports multiple cores, each corresponding to a different system, enabling broad compatibility across retro gaming platforms.

Features

  • Browser-based emulation powered by WebAssembly
  • Integration with RetroArch cores for multi-system support
  • CDN-based deployment for easy integration
  • Multiple release channels including stable and nightly builds
  • Embeddable as a library for custom web applications
  • Support for a wide range of retro consoles and arcade systems

Project Samples

Project Activity

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Categories

Emulators

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

JavaScript

Related Categories

JavaScript Emulators

Registered

2026-04-07