About What Is My User Agent Tool
Published: Last Updated:
Your User-Agent (UA) is a text string your browser sends with every HTTP request, identifying itself to web servers. This tool displays your complete UA string along with a parsed breakdown: browser name, version, rendering engine, and operating system. Useful for web developers, testers, and anyone troubleshooting browser-specific issues.
Key Features
- Shows complete raw User-Agent string.
- Parses browser name and version.
- Identifies OS, rendering engine, and device type.
- One-click copy of the UA string.
How to Use the Tool
- Open the page — your user agent is detected and displayed automatically.
- Copy the full UA string to share with developers or paste in support tickets.
- View the parsed breakdown: browser, version, OS, device type.
Core Benefits
- Essential for web developers debugging browser-specific rendering issues.
- Required when submitting detailed browser info in support tickets.
- Useful for testing user-agent spoofing or device emulation.
Common Use Cases
- Copying your UA string for a web developer support request.
- Verifying that browser device emulation shows the expected UA.
- Testing server-side UA detection and redirect logic.
Pro Tips
- UA strings are not always accurate — browsers can spoof them.
- Mobile UA strings typically contain the device model and OS version.
Use this free What Is My User Agent tool on GoodToolIt — no sign-up, no installation, works instantly in any browser.