User-Agent Checker

Analyze your browser's identity and explore common UA strings.

Drop text file with UA here

Browser

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Operating System

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Device

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Engine

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Detailed Breakdown (JSON) 


                    

                

            


            
            

                
Common User-Agent Strings

                

                    

                        

                            
                                

                                    Platform / Browser
                                    User-Agent String
                                

                            
                            
                                

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

                                

                                    Safari (iPhone)
                                    Mozilla/5.0 (iPhone; CPU iPhone OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
                                

                                

                                    Firefox (Android)
                                    Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0
                                

                                

                                    Googlebot
                                    Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
                                

                            
                        

                    

                

            


            
            

                
What is a User-Agent?

                

                    A User-Agent is a text string that your web browser sends to every website you visit. It acts as an ID card, telling the server which browser you're using, its version, and which operating system you're on.                

                

                    

                        
Browser Identification

                        
Helps websites deliver compatible content and layouts optimized for your specific browser version.

                    

                    

                        
Security & Debugging

                        
Developers use UA strings to troubleshoot issues reported by users on specific platforms or devices.