User Agent Finder – See Your Browser’s User-Agent String Instantly

See your current User-Agent string instantly! This tool detects and displays the exact User-Agent your browser sends to websites—revealing your browser type, operating system, device model, and more.

(Note: Insert your functional User Agent Finder tool here — a live display that auto-shows the visitor’s User-Agent on page load, plus a “Copy” button.)

✅ Your User-Agent:
(Example: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36)
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What Is a User-Agent?

A User-Agent (UA) is a piece of text that your web browser (or app) sends to every website you visit. It identifies:

• Your browser (Chrome, Safari, Firefox, Edge, etc.)
• Your operating system (Windows, macOS, Android, iOS, Linux)
• Your device type (desktop, mobile, tablet)
• Sometimes, CPU architecture or rendering engine (like WebKit or Gecko)

Websites use this data to optimize content delivery—for example, serving a mobile layout to phone users.

Why Would You Need a User Agent Finder?

This tool is essential for:

• Web Developers: Debug responsive design issues or test how your site behaves on different devices.
• SEO Specialists: Verify how search engine bots (like Googlebot) identify themselves.
• Security Researchers: Detect suspicious or spoofed User-Agents in logs.
• Automation Testers: Configure scripts (e.g., in Selenium or Puppeteer) with accurate UA strings.
• Curious Users: Learn what information your browser shares by default.

Common User-Agent Examples

Here’s what real User-Agent strings look like:

🔹 Desktop (Chrome on Windows):
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

🔹 Mobile (Safari on iPhone):
Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1

🔹 Googlebot (Google’s crawler):
Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)

🔹 Bot (often malicious):
python-requests/2.28.1 → A common sign of automated scraping scripts.

How to Use This Tool

1. Visit this page – your User-Agent appears automatically.
2. Copy it to use in development, testing, or reporting.
3. Compare with known UA strings to verify device behavior.
4. Test spoofing: Use browser dev tools to emulate other devices and see how the UA changes.

🔒 Privacy Note: Your User-Agent is sent to every website you visit—it’s not private data. We do not log or store your UA string.

Can You Change Your User-Agent?

Yes! Most browsers allow User-Agent spoofing:

• Chrome/Edge: Open DevTools → Toggle device toolbar → Choose a device or customize UA.
• Firefox: Install extensions like “User-Agent Switcher”.
• Safari: Enable “Develop” menu → “User Agent” → select a preset.

Developers use this to test mobile layouts without a physical phone.

Limitations & Modern Trends

• User-Agent is being deprecated: Google and others are moving toward the User-Agent Client Hints API for privacy reasons.
• Easy to fake: Malicious bots often mimic real browsers, so UA alone isn’t reliable for security.
• Not unique: Millions of users share the same UA string—so it can’t identify individuals.

Despite this, the User-Agent remains widely used in analytics, compatibility checks, and basic device detection.

Frequently Asked Questions (FAQ)

Q: Does my User-Agent reveal my IP address?
A: No. Your IP is sent separately. The UA only describes your software and device.

Q: Can websites block me based on my User-Agent?
A: Yes. Some sites block known bot UAs (like curl or python-requests) to prevent scraping.

Q: Why does my UA say “Mozilla” even though I use Chrome?
A: It’s a historical relic! Early browsers included “Mozilla” to ensure compatibility with old servers.