User-Agent Parser — Identify browser, OS, device type, engine, version, and platform details instantly. Parse any user-agent string or detect your current browser.
A User-Agent Parser is a tool that analyzes a User-Agent string and extracts detailed information such as browser name, version, operating system, device type, platform, and rendering engine. Every browser sends a User-Agent string to websites, helping servers understand the device and optimize the experience.
This tool helps developers, testers, SEO analysts, and cybersecurity professionals easily decode and analyze User-Agent strings without manual effort.
Different devices, browsers, and platforms generate unique User-Agent strings. Parsing them helps:
✔ Identify real user devices, bots, and crawlers
✔ Debug browser compatibility issues
✔ Test responsive design and cross-platform behavior
✔ Analyze website traffic and usage patterns
✔ Validate API request identity and headers
✔ Detect browser, version, OS, device type, platform, and engine
✔ “Use Current Browser” button — auto-detects your User-Agent
✔ Clear & Parse buttons for easy testing
✔ Supports mobile, desktop, bots, and custom UA strings
✔ No installation, login, or technical skills required
✔ Keeps original order and formatting
✔ One-click copy support (if applicable)
🧠 User-Agent strings help websites detect whether you're using Chrome, Safari, Edge, Firefox, or even bots like Googlebot.
📱 They also indicate if you’re browsing from a mobile, desktop, Smart TV, or tablet.
🛠 Modern browsers often hide exact device model details for privacy reasons.
📂 Chrome uses the Blink engine, while Firefox uses Gecko, and Safari uses WebKit.
How to Use User-Agent Parser
Paste any User-Agent string or click Use Current Browser to auto-detect yours.
Click the Parse button to extract browser, OS, engine, device type, and more.
Instantly see the parsed results in structured fields like browser, version, OS, etc.
User-Agent Parser — Identify browser, OS, device type, engine, version, and platform details instantly. Parse any user-agent string or detect your current browser.
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