🔍 User-Agent Parser
User-Agent Parser – Detect Browser, OS, and Device Info
The User-Agent Parser is a lightweight tool that identifies details about a visitor’s browser, operating system, and device type from the HTTP User-Agent string. This is especially useful for developers, testers, and SEO specialists who need quick insights into how users access their websites.
Why use it?
- Debugging: Instantly check how a browser identifies itself.
- Cross-device testing: Ensure your site works properly across mobiles, tablets, and desktops.
- SEO checks: See how search engine bots (Googlebot, Bingbot, etc.) identify themselves.
- Security: Verify suspicious or spoofed User-Agents.
Key features
- Detects browser name and version
- Shows operating system (Windows, macOS, Linux, Android, iOS, etc.)
- Identifies device type (desktop, mobile, tablet, bot)
- Simple, fast, and client-side — no server calls
How to use
- Paste a User-Agent string into the input box.
- Click Parse to extract browser, OS, and device info.
- Use the results for testing, debugging, or SEO analysis.
Common use cases
- Check if a crawler is a real search engine bot
- Debug browser compatibility issues
- Analyze how different devices identify themselves
- Learn what data your site logs about visitors
FAQ
What is a User-Agent string?
A User-Agent string is a line of text sent by a browser or app to identify itself to a server.
Can this detect bots?
Yes, the parser can highlight common crawlers such as Googlebot, Bingbot, or social media scrapers.
Does this tool store my data?
No. The parsing happens client-side, so your input is not saved or sent anywhere.
Tip: Combine User-Agent checks with IP verification for stronger bot detection.