User Agent Parser & Client Detector

Parse browser user agent strings online to detect browser engine, version, operating system, device type, CPU architecture, and bot signatures.

Browser name and version detection

Operating system & platform detection

Device category (Mobile, Desktop, Bot)

100% client-side parsing

Step-by-Step Guide

How to Use User Agent Parser Online

Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.

Step 1Analyzes User-Agent token signatures using pattern heuristics.

Step 2Extracts browser name, operating system, and hardware architecture.

Demonstration

Input User-Agent String

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Applications

Identify client devices and browser versions from HTTP access logs.

Knowledge

What is a User-Agent?

A User-Agent is a string sent by web browsers identifying the software, OS, and device to web servers.

Workflow

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Parse URLs online into protocol, hostname, port, pathname, search params, and hash fragments. Inspect and modify query parameters in your browser.