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My User Agent

See your own user agent string and what a server can tell from it.

Developer Tools Reviews Free · no sign-up

Everything on this page is read by JavaScript in your own browser and displayed here. None of it is sent anywhere by this page — though your user agent is of course sent with every request you make.

Quick Tool Overview

This page shows your own user agent string parsed into its parts, alongside everything else a site can read about your browser without asking permission — screen size, language, time zone, cores and more.

What it does
Shows and explains your own browser details
You give it
Nothing — it reads your browser
You get back
Your user agent, parsed, plus what else is visible
Best for
Bug reports, support tickets and reproducing issues
Developer Tools Free, unlimited use No sign-up Runs in your browser

About the My User Agent

Shows the user agent string your browser is sending right now, parsed into its browser, version, engine, operating system and device — with a copy button, because the usual reason to want it is to paste it into a bug report or a test.

Underneath, it lists the other things a site learns about your browser without asking: screen and window size, device pixel ratio, colour depth, language preferences, time zone, whether cookies and Do Not Track are enabled, the number of processor cores reported, and whether the browser offers the newer Client Hints that are gradually replacing the user agent string. It is a useful reminder of how much is available before any permission is requested.

Key features of the My User Agent

One-click copy

The usual reason to want your user agent is to paste it somewhere, so it copies in one click.

Parsed, not just printed

Browser, version, engine, operating system and device, extracted from the string.

Everything else that is readable

Screen and window size, pixel ratio, colour depth, languages, time zone, cookie support and reported core count.

Client Hints shown

Where the browser supports them, the newer headers that are gradually replacing the user agent string are listed too.

Nothing is sent

Everything is read and displayed locally by JavaScript; this page transmits none of it.

How to use the My User Agent

  1. 1

    Read your user agent

    It is detected automatically when the page loads.

  2. 2

    Check the breakdown

    Browser, engine, operating system and device class, parsed out of the string.

  3. 3

    See what else is visible

    Screen size, language, time zone and more, all readable without permission.

  4. 4

    Copy it

    One click puts the string on your clipboard for a bug report or a test.

Frequently asked questions

Usually for a bug report, a support ticket, or to reproduce a browser-specific problem. It is also what you would paste into a testing tool to emulate your setup.

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