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

📰 Dev.to · charlie-morrison

Step-by-step guide to building a resume ATS checker that runs entirely in the browser. No API keys, no server, no data collection.

Published 27 Apr 2026

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

URL Source: https://dev.to/charliemorrison/how-to-build-a-client-side-ai-tool-with-zero-backend-full-tutorial-474j

Published Time: 2026-04-27T00:51:44Z

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# How to Build a Client-Side AI Tool With Zero Backend (Full Tutorial) - DEV Community
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Posted on Apr 27

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

[#webdev](https://dev.to/t/webdev)[#javascript](https://dev.to/t/javascript)[#tutorial](https://dev.to/t/tutorial)[#career](https://dev.to/t/career)

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.

## [](https://dev.to/charliemorrison/how-to-
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