User Agent Finder

Look up records free online with User Agent Finder. Browser-based, no signup, no installation — instant results for security teams.

User Agent Finder is a simple browser-based tool that shows the full user agent string reported by your current browser. A user agent string identifies the browser, operating system, device environment, and other compatibility clues that websites and services may use during request handling. While user agent detection is less reliable than feature detection for many engineering tasks, it still plays an important role in support, QA, analytics interpretation, and browser compatibility troubleshooting. In practical workflows, people often need the raw user agent string when reporting bugs or reproducing issues. A support engineer may ask for it to understand a customer's browser environment. A QA tester may compare it across devices. A developer may need it while testing browser targeting logic or reviewing logs. Rather than digging through DevTools or browser settings, this tool surfaces the exact string immediately and lets you copy it in one click. User agent strings are especially useful when a site behaves differently across browsers or devices. Even if the string is not enough to explain the issue by itself, it gives a fast snapshot of the client environment and helps narrow the search. That is why it remains common in debugging forms, diagnostics pages, and support runbooks. This tool is also useful for documentation and testing. Teams can capture a current UA string when filing tickets, writing compatibility notes, or validating how detection-based logic responds in different environments. Because it runs locally in the browser, the workflow is instant and lightweight. For everyday users, the value is clarity. For technical teams, the value is speed. In both cases, having the raw user agent string available without extra steps makes browser troubleshooting easier.

• Instant UA string display. Shows the exact user agent reported by the current browser without opening developer tools.
• One-click copy. Makes it easy to paste the user agent into support tickets, bug reports, or QA notes.
• Helpful for compatibility work. Useful when testing browser targeting logic or comparing behavior across devices and platforms.
• Zero setup workflow. Runs directly in the current browser session with no install, extension, or devtools requirement.
• Support-friendly output. Practical for non-technical users who need to share environment details with a support or engineering team.

• Filing a browser-specific bug report. Users can share the exact client string so engineers know which environment the issue came from.
• Comparing QA environments. Testers can confirm whether different devices or browsers are reporting distinct UA strings.
• Debugging browser targeting logic. Developers can inspect the current UA and compare it against detection rules or logs.
• Providing support information quickly. Non-technical users can copy the string without opening advanced browser tooling.

1. Open the tool in the browser you want to inspect — Make sure you are using the exact browser or device environment you want to capture.
2. Click Get User Agent — Use the main button to read the current browser's user agent string.
3. Review the full string — Inspect the output to confirm it reflects the environment you expected.
4. Copy the result — Use the copy button when you need to share the value in a report, support thread, or document.
5. Repeat in another browser if needed — Switch environments and compare the reported strings during QA or compatibility testing.