Hi, I'm Huang

I build things for the mobile, for the web, for language learners, and for fun. Below are the projects I work on — I also write notes about what I learn along the way.

Projects

OctoCounts

octocounts.com

A free SLOC counter for public GitHub repositories, as a web app and a browser extension.

Type	Web app + browser extension (Chrome / Edge / Firefox)
Price	Free
Backend	Rust (Axum + Tokio)
Counting engine	tokei, across 200+ languages
Caching	Reports cached by commit SHA — repeat queries are instant
Export	JSON / plain text / PNG badge

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EchoPod

echopod.clothpath.com

A language-learning app that turns your favorite podcasts into interactive bilingual study material with AI subtitles.

Platforms	iOS (App Store); Android (alpha program)
Core features	Synced AI subtitles, guided echoing sessions
Trains	Listening and speaking

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Ketsuin 結印

ketsuin.clothpath.com

A web-based input method that lets you type with ninja hand signs, detected entirely in your browser.

Input	12 classic ninja seals via webcam
Detection	YOLOX-Nano on ONNX Runtime WebAssembly, fully in-browser
Privacy	No data leaves your device
Text engine	T9 predictive engine maps seal sequences to text
Game mode	Challenge mode with a global leaderboard

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QwenASR

github.com/huanglizhuo/QwenASR

A fast, pure-Rust, CPU-only inference engine for Qwen3-ASR speech-to-text, tuned for Apple Silicon.

Tech stack	Pure Rust, CPU-only — no Python, no GPU, no tensor framework, only libc
Optimization	Hand-written NEON / Accelerate / AMX-aware kernels for Apple Silicon
Performance	Transcribes a 28-second clip in 613 ms on an M5 Pro (46× realtime)
Features	Offline & streaming transcription, live capture with VAD, SRT/VTT subtitles, structured JSON, forced alignment
Install	cargo install qwen-asr-cli

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