erweixin

erweixin / RaTeX

Public

KaTeX-compatible LaTeX math renderer in pure Rust. No JavaScript, no WebView, no DOM. One Rust core → iOS, Android, Flutter, Web, PNG. C ABI · WASM · Server-side PNG. ~99% KaTeX syntax coverage.

erweixin.github.ioRaTeXdemosupport_table.html android ffi flutter ios katex
25
1
100% credibility
Found Mar 12, 2026 at 22 stars -- GitGems finds repos before they trend. Get early access to the next one.
Sign Up Free
AI Analysis
Rust
AI Summary

RaTeX renders LaTeX math formulas natively in Rust for web, mobile apps, and image output with near-perfect KaTeX compatibility.

How It Works

1
🔍 Discover RaTeX

You find a tool that renders math formulas beautifully on any device without needing a web browser.

2
🧪 Test a formula

Type something like the quadratic equation and watch it appear crisp and instant.

3
✨ Matches your needs

It handles nearly all formulas perfectly, fast and offline, just like your favorite web tool.

4
Choose your way
🌍
Web version

Drop it into your site for instant math.

📱
App version

Add to your mobile or desktop app for native speed.

🖼️
Image maker

Turn formulas into pictures on your server.

5
🔗 Connect it

Follow easy steps to link your math to the tool.

🎉 Math magic ready

Your formulas now shine everywhere, quick and beautiful.

Sign up to see the full architecture

4 more

Sign Up Free

Star Growth

See how this repo grew from 22 to 25 stars Sign Up Free
Repurpose This Repo

Repurpose is a Pro feature

Generate ready-to-use prompts for X threads, LinkedIn posts, blog posts, YouTube scripts, and more -- with full repo context baked in.

Unlock Repurpose
AI-Generated Review

What is RaTeX?

RaTeX renders KaTeX-compatible LaTeX math equations in pure Rust, outputting a platform-agnostic display list of drawing commands—no JavaScript, WebView, or DOM required. Developers get native rendering on iOS, Android, Flutter, web via WASM, or server-side PNG, solving the bloat of browser-based math like 50-150MB RAM usage and startup latency. With ~99% KaTeX syntax coverage, it handles complex formulas like fractions and sums consistently across targets using a single Rust core and C ABI.

Why is it gaining traction?

It stands out by eliminating JS dependencies for predictable memory and offline performance, unlike KaTeX or MathJax that rely on V8 and DOM. Users notice instant native math on mobile without WebView overhead, plus easy WASM drops for web or PNG exports for servers. The hook: one ABI-exposed core deploys everywhere, with golden tests ensuring ~80% visual match to KaTeX.

Who should use this?

Native mobile devs building iOS/Android/Flutter apps with math-heavy UIs, like textbooks or calculators, who hate WebView lag. Server teams generating math PNGs without browsers. Web devs seeking lightweight WASM alternatives to full JS math libs.

Verdict

Promising early core for KaTeX-compatible LaTeX math, but 12 stars and 1.0% credibility signal immaturity—docs are solid, tests comprehensive, bindings in progress. Try for Rust-native projects if you need no-JS math; otherwise wait for platform polish.

(198 words)

Sign up to read the full AI review Sign Up Free

Similar repos coming soon.