What's My User Agent?
Find out your user agent string, browser, opera system, device and more with this tool. Learn what a user agent is and how it is used for feature detection and compatibility.
Find out your user agent string, browser, opera system, device and more with this tool. Learn what a user agent is and how it is used for feature detection and compatibility.
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.
Learn what your user agent is and what it reveals about your web browser, operating system, and mobile device. Find out how to change or fake your user agent and why some sites may detect it.
A user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content.
Jan 10, 2026 ... A user agent is a small piece of text sent by web browsers or automation scripts in HTTP requests to identify the client's software, browser ...
With this extension, you can quickly and easily switch between user-agent strings. Also, you can set up specific URLs that you want to spoof every time.
What is a user agent string, and how do websites use it to track you? Learn how to inspect and safely change your browser user agent with Gologin.
Learn how to decode and understand any user agent string sent by your web browser or other software. Use this tool to parse user agents by browser, OS, platform, hardware, software type and layout engine.
The User-Agents.Net website provides various user agent lists and technical information about them.
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.
What is a User-Agent? A User-Agent refers to the software used on the client side to access servers based on specific protocols.
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. 5. You can set per-site user-agent strings 6. There is an option to randomize user-agent strings. 7.
Oct 12, 2025 ... A User-Agent is a small piece of text (a string) sent by your browser to a web server as part of an HTTP request header. It tells the server who ...
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.
Dec 15, 2015 ... UAAG 2.0 guides developers in designing user agents that make the web more accessible to people with disabilities.
Useragents.me provides a self-updating list of user agents seen on the web across all device types, operating systems, and browsers. You can view, download, or get the list as JSON or TSV, and see the relative share of each user agent.