Modern.js Builder

A Build Engine for web development.


Rust Bundler

Easily switch to Rspack bundler with faster build speed.


Deep optimization

Automatically optimize static assets, ensure the performance of production app.


Out of the box

Base on the best practice at ByteDance, various capabilities are out-of-the-box.


Easy to Configure

Launch with zero configuration, then everything is configurable.



Comes with a lightweight plugin system to meet your customization needs.

Multiple Outputs

Supports building output for Node.js, Web Workers, and other environments.