Get your users agent string, web browser, opera system, device information and more... Useragent is a small piece of data that is sent by your web browser when accessing a website or application.
The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent.
Parse a User Agent String Every time your web browser makes a request to a website, it sends a HTTP Header called the " User Agent ". The User Agent string contains information about your web browser name, operating system, device type and lots of other useful bits of information. But every browser sends its user agent in a different format, so decoding them can be very tricky. Use this tool ...
Grab the most up-to-date user agents for Chrome, Safari, Firefox, and Edge. These are essential for web scraping, automated screenshots, and bypassing bot blocks.
The extension enables user-agent spoofing on specific domains only; it is conversely possible to exclude certain domains from spoofing. Check the Options page for more info.
Introduction A user agent is a text string sent by your browser or script during an HTTP request to identify the client's software and operating environment to the server. It typically includes the browser name, version, operating system, and, occasionally, the device type. Understanding user agents is important in 2026 because they directly influence how websites deliver content, apply bot ...
This user agent list is perfect for web scrapers looking to blend in, developers, website administrators, and researchers. The most common useragents list is compiled from the user logs data of a number of popular sites across niches and geography, cleansed (bots removed), and enriched with information about the device and browser.
The HTTP header User-Agent is a request header that sends a characteristic string to web servers, allowing them to identify the Operating System (OS) and browser of the client making the request. Every time your browser connects to a website, it includes the User-Agent field in the HTTP header.
What is an user-agent? The User-Agent request-header field contains information about the user agent originating the request. This is for statistical purposes, the tracing of protocol violations, and automated recognition of user agents for the sake of tailoring responses to avoid particular user agent limitations.
Discover what a user agent is and how it facilitates web interactions. Learn about User-Agent strings and their role in web optimization.