Inspect browser, OS, and device from a User-Agent string.
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Starting points for your own code. Run them in the environment shown below.
Node.js 22+ · ES module (.mjs)
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Install dependencies
npm install ua-parser-js@1import { UAParser } from "ua-parser-js";
const parser = new UAParser("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36");
console.log(parser.getResult());
// User-Agent is client-controlled, not proof of identity.Inspect browser, OS, and device from a User-Agent string.
This is a string-based estimate. Reduced or spoofed User-Agents may omit details.
Text 1 MB
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