MaHua is an online Markdown editor for writing and previewing Markdown in the browser, and can be used as a lightweight option among similar online Markdown editors.

The homepage shows features including document selection, deletion, editor themes, preview themes, VIM shortcuts, line numbers, additional MaHua information, and auto scrolling.

The provided material does not describe a self-hosting deployment process, dependencies, or resource requirements, so deployment requirements should be verified against the source code or documentation. Support for the WeChat ecosystem, domestic cloud storage, or China-based service providers is not specified and should be validated before integration.