What Is My Browser

Instantly detect your browser name, version, and operating system

Results
Your Browser Mozilla
Browser Version

Knowing the exact browser and version you are currently using is essential for web development testing, troubleshooting compatibility issues, and verifying that website features render correctly in your environment. The What Is My Browser tool detects your browser automatically and displays the browser name, version number, operating system, and device type the moment the page loads — no input required.

How It Works

Simply open the What Is My Browser tool page. The tool reads your browser's user agent string and immediately displays your current browser name, version, operating system, and device classification (desktop, tablet, or mobile). No button press or data entry is needed.

Key Features

  • Automatic browser detection — no input required
  • Displays browser name, version number, and full OS details
  • Identifies device type: desktop, tablet, or mobile
  • Works for all major browsers including Chrome, Firefox, Safari, and Edge
  • Free with real-time detection on page load

Benefits for Users

  • Confirm your browser environment before testing website compatibility
  • Identify outdated browser versions that may need updating
  • Verify cross-browser rendering during web development
  • Document your current browser for technical support conversations
  • Check whether browser-specific features or limitations apply to your setup

Use Cases

  • Verifying browser environment before performing a technical SEO audit
  • Identifying which browser version a client is using during a support session
  • Testing whether a website renders correctly in a specific browser version
  • Confirming browser compatibility during web development and QA testing
  • Documenting your development environment for version control purposes

Related Tools

Related: What Is My User Agent · Screen Resolution Simulator · Get HTTP Headers