User Agent Parser

Instantly parse and analyze any user agent string to identify browser, operating system, device type, and engine. Perfect for debugging, analytics, and compatibility testing for Chrome, Firefox, Safari, and more.

What is my user agent?

Detecting your user agent...
JSON Output 

            

            
            

              
              
            

          

        

      

    

  


  

    

      

        
Why Use Our User Agent Parser

        
Advanced user agent lookup with real-time parsing, accurate detection, and developer-friendly output formats.

      

      

        

          

            
          

          
Instant Parsing

          
Real-time user agent parser that identifies browser, OS, and device in milliseconds with advanced regex pattern matching.

        

        

          

            
          

          
Bot Detection

          
Accurately identify search engine crawlers, social media bots, and automated scripts from Googlebot to Bingbot.

        

        

          

            
          

          
Device Insights

          
Detect mobile, tablet, desktop, console, and smart TV devices with detailed model and vendor information.

        

        

          

            
          

          
Batch Ready

          
Process multiple user agent strings with JSON export. Perfect for log analysis and server-side implementations.

        

        

          

            
          

          
Privacy First

          
All parsing happens in your browser. No user agent data is sent to servers or stored. 100% client-side processing.

        

        

          

            
          

          
API Friendly

          
Clean JSON output compatible with APIs, monitoring tools, and analytics platforms. Structured data ready for integration.

        

      

    

  


  

    

      

        
How User Agent Parsing Works

        
Three simple steps to decode any user agent string and extract detailed browser, OS, and device information.

      

      

        

          
1

          
Paste User Agent

          
Enter any user agent string into the parser. Use your current UA or paste from server logs, Chrome user agent, Firefox user agent, or any source.

        

        

          
2

          
Instant Analysis

          
Our engine analyzes patterns to identify browser name, version, operating system, device type, rendering engine, and bot status.

        

        

          
3

          
Export Results

          
Copy structured results or export as JSON for use in applications, debugging tools, or analytics dashboards.

        

      

    

  


  

    

      
Understanding User Agent Strings and User Agent Lookup

      
A user agent is a crucial HTTP request header that identifies your browser, operating system, and device to web servers. Every time you visit a website using Chrome, Firefox, Safari, or any browser, your user agent string is transmitted automatically. This text contains valuable information like browser name and version, OS details, rendering engine, and device type that helps websites deliver optimized content and track analytics.

      
Our free user agent parser decodes complex UA strings into human-readable data. For example, a typical Chrome user agent like "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36" reveals Windows 10 64-bit, Blink engine, and Chrome 120. Similarly, a Firefox user agent example "Mozilla/5.0 (Macintosh; Intel Mac OS X 14.1; rv:121.0) Gecko/20100101 Firefox/121.0" shows macOS 14.1 and Firefox 121. Web developers use user agent lookup tools to debug browser-specific issues, implement feature detection, analyze traffic sources, and ensure cross-browser compatibility. Security teams leverage user agent parsing to identify bots, block malicious crawlers, and detect spoofed clients. Whether you're troubleshooting why your site breaks in Safari, analyzing mobile traffic patterns, or building adaptive experiences, understanding what is my user agent and how to parse it is essential for modern web development and SEO optimization.

    

  


  

    

      

        
Frequently Asked Questions

        
Common questions about user agent parsing, detection, and browser identification.

      

      

        

          
          

            

              Your user agent is a text string sent by your browser to websites identifying your browser name, version, operating system, and device type. Our tool auto-detects and displays your current user agent instantly with detailed breakdown of browser, OS, and device information.
            

          

        

        

          
          

            

              A user agent parser analyzes the UA string sent by browsers using pattern matching and libraries like UAParser.js to extract structured data. It identifies browser, version, OS, device type, rendering engine, and bot status for analytics, compatibility testing, or security filtering.
            

          

        

        

          
          

            

              An example of a Chrome user agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36. It contains details about Windows 10 OS, 64-bit architecture, Blink rendering engine, and Chrome browser version 120.
            

          

        

        

          
          

            

              Yes. Our user agent lookup tool identifies common bots and crawlers like Googlebot, Bingbot, Slurp, DuckDuckBot, and social media crawlers by analyzing known signature patterns in the user agent string. This helps filter automated traffic from human visitors for accurate analytics.
            

          

        

      

    

  


  

    

      
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