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User Agent Info

View useragent info, browser details, OS, and device data from a Mozilla-style User Agent string.

⌘ Runs in browser ◴ No data stored ⌁ Free

Concept

Estimate browser context from User-Agent

This tool reads the browser User-Agent string and summarizes browser, OS, and device clues for quick debugging and support-handling workflows.

For bug reproduction, compatibility checks, and support handoff, the User-Agent string is useful as an initial context signal.

Because UA parsing is rule-based, browser/OS/device identification can differ from the real environment when spoofed, compacted, or shaped by browser privacy policies.

Use cases

Use it when you need a quick view of browser, OS, and device context for bug reports, support tickets, or environment checks.

What it shows

Shows the raw UA string and highlights browser, operating system, device type, platform, locale, and viewport-related signals.

Important note

UA is heuristic and not a personal-identification guarantee; treat it as debugging context, not proof of exact user identity.

If the UA is spoofed, shortened, or adjusted by browser policy, results may differ from the actual client state, so avoid using it as a strict identity source.

User Agent input
Analysis result
Browser, OS, and mobile status appear here.

How to use

  1. 1 Open the page and check your current browser's User-Agent string.
  2. 2 Review the detected browser, operating system, device, and platform.
  3. 3 Check the language and screen size details.
  4. 4 Copy the User-Agent analysis JSON if you need to share or debug it.

Common use cases

  • Mozilla useragent inspection
  • Browser and OS inspection
  • Googlebot User-Agent lookup
  • Device type identification
  • User Agent analysis copying for support

Frequently asked questions

What User Agent details does it show?

It reads the current browser User Agent string and displays the browser, operating system, device type, platform, language, screen size, and pixel ratio.

Can I copy the displayed information?

The copy button copies analysis JSON containing the User Agent string, browser, OS, and device details to your clipboard.

Is browser and device detection always exact?

The tool interprets the User Agent string with rules, so some browsers, privacy settings, or compatibility modes may produce Unknown or differ from the actual environment.

Related workflow

User Agent InfoCheck the current browser string first to anchor the reproduction context. → Cron GeneratorIf repeated checks need a time, turn that cadence into a Cron expression. → Diff ViewerCompare it with another User Agent or config string to see what differs.