User Agent Checker — Your Browser Data, Read Locally
The full userAgent string, hardware hints and privacy flags — copied as JSON with one click.
Quick answer: Read your full user-agent string, platform, languages, privacy flags and hardware hints, then copy the whole report as JSON for bug reports — fully local.
How to use
- Read the big userAgent string and the field table — rendered on load, no clicks needed.
- Compare device memory, CPU threads and touch points against what your device really has.
- Press Copy full report and paste the JSON into a bug report or support ticket.
- Toggle Wi-Fi to watch the online-status row change live.
About this tool
Your browser broadcasts a surprising amount of context before you visit any page. This user-agent checker reads it all locally: the full userAgent string in plain sight, the reported platform, your preferred languages, whether cookies and Do Not Track are enabled, plus the hardware hints modern browsers expose — approximate device memory, CPU thread count and maximum touch points — alongside your live online status. One button copies everything as tidy JSON, handy for filing bug reports, QA tickets or support requests where a developer asks which browser you are on. Because the entire report is assembled in your tab from navigator properties, nothing is transmitted and there is no server round-trip: the numbers you see are exactly what JavaScript on any website could see.
FAQ
Why does my UA string not match my actual browser?
What is device memory?
Is anything sent to your servers?
Why show platform if it is deprecated?
What does Do Not Track show?
Rate this tool
Your rating stays in this browser (local storage) — nothing is sent to any server.
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📖 Guides & deeper reads
- How to use User Agent Checker — step-by-step guide
- User Agent Checker free online — no signup, nothing to install
- User Agent Checker mistakes to avoid (from real user research)
- User Agent Checker without an account — private by design
- User Agent Checker FAQ — every common question answered
Each guide comes from live search research — real questions real users ask, answered straight.