What is My User Agent? Free User Agent Finder Tool - Tooliz.online

Instantly find and analyze your current User Agent string and browser details.

What is My User Agent? Free User Agent Finder Tool - Tooliz.online

Understanding Your User Agent String

The User Agent (UA) is a small string of text sent by your web browser (or any client application) to the website's server whenever you request a page. It acts like an identification card for your browser, providing crucial details about the software, operating system (OS), and device you are using to access the internet. Developers and webmasters rely on the User Agent to understand their audience and to ensure their website displays and functions correctly across different platforms.

Why Use the Tooliz.online User Agent Finder?

While the User Agent data is automatically sent with every request, our free tool makes it instantly accessible and easy to read. Instead of having to inspect complex network headers, the Tooliz User Agent Finder extracts and displays the raw User Agent string along with parsed details, including:

  • Browser Name and Version
  • Operating System (e.g., Windows 10, macOS, Android)
  • Device Type (Mobile, Tablet, or Desktop)


This information is indispensable for troubleshooting display errors, debugging website issues, and verifying that web servers are correctly identifying your client. Knowing your exact UA string is a powerful step in diagnosing why a website might be rendering differently for you than for others. Tooliz.online ensures you get this technical detail with just one click.

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