ratex
A math formula renderer written in Rust that is highly compatible with KaTeX syntax. It draws LaTeX natively on iOS, Android, Flutter, web and server without a browser engine.
Share on XCustom license (see repository)
Overview
RaTeX is a LaTeX math renderer written in pure Rust that follows KaTeX syntax. It needs no JavaScript, WebView or DOM. One Rust core produces a display list that each platform draws natively, so formulas can appear in iOS, Android, Flutter, React Native and web apps, or be exported on a server as PNG, SVG or PDF. It exposes a C ABI and WASM builds.
Key features
- KaTeX-compatible syntax, over 99.5% coverage per the project
- One Rust core shared by all platforms
- C ABI and WASM for embedding
- Server-side PNG, SVG and PDF output
- Live demo and support table compare it with KaTeX
Best for
Mobile, cross-platform and server developers who want math rendering without hosting a WebView or headless Chrome. Check the repository for its license terms before use.
- Upstream
- erweixin/RaTeX
- Fork on GitHub
- Guo-astro/ratex
- Upstream stars
- 1.5k
- Category
- Developer tools and infrastructure
- Language
- Rust
- License
- Custom license (see repository)
- Forked
- 2026-04-05
- Sync status
- Updated by last syncLast synced 2026-10-13
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