Developer Tools100% Free Tool

Free User Agent String Parser & Device Inspector Online

Parse HTTP User-Agent strings. Extract browser family, major/minor version, operating system, rendering engine, and device type. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Formatted & Validated OutputValid RFC 8259

How It Works

1

Enter User-Agent

Paste user-agent string or click 'Use My Current Browser'.

2

Parse Components

Inspect parsed browser, OS, engine, and architecture.

3

Export Data

Copy structured JSON output.

Frequently Asked Questions

Modern browsers (like Chromium) are freezing traditional User-Agent strings and providing granular Client Hints (Sec-CH-UA) to enhance user privacy.

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