Bowser
A small, fast and rich browser and platform detector for JavaScript with modern ESM builds.
Why consider Bowser?
Bowser is an open-source browser and operating system detection library created by Dustin Diaz and maintained by Denis Khabarov. Bowser evaluates browser engines (Blink, Gecko, WebKit), operating systems (iOS, Android, Windows, macOS, Linux), and hardware form factors to tailor customer marketing experiences.
Learn Bowser by building
Practical setup notes, real use cases, and copy-ready examples in one focused guide.
In this guide2 sections
Overview of Bowser
Bowser identifies visitor platforms to deliver customized download links and platform-specific banners.
Quickstart
npm install bowserimport Bowser from "bowser";const browser = Bowser.getParser(window.navigator.userAgent);console.log(browser.getBrowserName(), browser.getOSName());Bowser is licensed under the permissive MIT License.
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