How to Build a Client-Side AI Tool With Zero Backend (Full Tutorial)

Last month I wanted to build a resume checker that scores resumes against job descriptions. The catch: it had to run entirely in the browser. No backend. No API calls. No user data leaving the page. Here's exactly how I did it — and how you can build similar tools for your portfolio or side project. Why Client-Side? Three reasons: Zero hosting costs — static HTML on GitHub Pages. Done. Privacy by design — resume text never leaves the browser. That's a real selling point. No API rate limits — unl