See User Agent
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What is my user agent? – WhatIsMyBrowser.com
Your User Agent is:
This page shows you what your web browser is sending in the “User-Agent” header for your HTTP requests. Want to know what headers your browser is sending?
What does all of that mean?!
Each bit of your user agent indicates something particular about your system.
There’s no “standard” way of writing a user agent string, so different web browsers use different formats (some are wildly different), and many web browsers cram loads of information into their user agents. That’s where steps in – we decode your user agent string to figure out everything it’s saying.
Check out our user agent analyser page, which gives you a neat breakdown of all the things we can tell you about your browser and computer based on your user agent. We have a User Agent API if you need to use the detection in your own system too.
Can I change my user agent?
It is possible to change or “fake” what your web browser sends as its user agent. Some mobile web browsers will let you change what the browser identifies itself as (ie “Mobile Mode” or “Desktop Mode”) in order to access certain websites that only allow desktop computers. If you change this setting, the user agent is what is affected.
What are some other user agent strings?
If you’d like to see lots of other user agents that this site has been sent, check out our User Agents page.
If you have any more questions, use the contact form and we’ll answer it and add your question here.
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What’s my user agent?
See what your user-agent detection library really thinks! According to useragent v2. 2. 1:uarawUa: Mozilla/5. 0 (Windows NT 6. 1; Win64; x64) AppleWebKit/537. 36 (KHTML, like Gecko) Chrome/94. 0. 4606. 71 Safari/537. 36string:family: Chromemajor: 94minor: 0patch: 4606device: Other 0. 0osstring: Windows 7 0. 0family: Windows 7major: 0minor: 0patch: 0According to v1. 3. 5:uaname: Chromeversion: 94. 71layout: Blinkosos: Windows Server 2008 R2 / 7 64-bitdeviceproduct:manufacturer:description: Chrome 94. 71 on Windows Server 2008 R2 / 7 64-bitAPI
GET /api/v1/ua? ua=
ua-string: Be sure to url-encode it. Defaults to your request’s user agent string.
ua-parser-version: Coming soon. Defaults to “latest”.
User-Agent – HTTP – MDN Web Docs
Common format for web browsers:
User-Agent: Mozilla/5. 0 (
Zero or more comments containing more details. For example, sub-product information.
Firefox UA stringFor more on Firefox- and Gecko-based user agent strings, see the Firefox user agent string reference. The UA string of Firefox is broken down into 4 components:
Mozilla/5. 0 (platform; rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion
Mozilla/5. 0 is the general token that says that the browser is Mozilla-compatible. For historical reasons, almost every browser today sends it.
platform describes the native platform that the browser is running on (Windows, Mac, Linux, Android, etc. ) and if it is a mobile phone. Firefox OS phones say Mobile — the web is the platform. Note that platform can consist of multiple “;”-separated tokens. See below for further details and examples.
rv:geckoversion indicates the release version of Gecko (such as “17. 0”). In recent browsers, geckoversion is the same as firefoxversion.
Gecko/geckotrail indicates that the browser is based on Gecko. (On the desktop, geckotrail is always the fixed string 20100101. )
Firefox/firefoxversion indicates that the browser is Firefox and provides the version (such as “17. 0”).
ExamplesMozilla/5. 0 (Windows NT 6. 1; Win64; x64; rv:47. 0) Gecko/20100101 Firefox/47. 0
Mozilla/5. 0 (Macintosh; Intel Mac OS X x. y; rv:42. 0) Gecko/20100101 Firefox/42. 0
Chrome UA stringThe Chrome (or Chromium/Blink-based engines) user agent string is similar to Firefox’s. For compatibility, it adds strings like KHTML, like Gecko and Safari. ExamplesMozilla/5. 0 (X11; Linux x86_64) AppleWebKit/537. 36 (KHTML, like Gecko) Chrome/51. 0. 2704. 103 Safari/537. 36
Opera UA stringThe Opera browser is also based on the Blink engine, which is why it almost looks the same as the Chrome UA string, but adds “OPR/
Older, Presto-based Opera releases used:
Opera/9. 80 (Macintosh; Intel Mac OS X; U; en) Presto/2. 2. 15 Version/10. 00
Opera/9. 60 (Windows NT 6. 0; U; en) Presto/2. 1. 1
Microsoft Edge UA stringThe Edge browser is also based on the Blink engine. It adds “Edg/
Safari UA stringIn this example, the user agent string is mobile Safari’s version. It contains the word “Mobile”. 0 (iPhone; CPU iPhone OS 13_5_1 like Mac OS X) AppleWebKit/605. 15 (KHTML, like Gecko) Version/13. 1 Mobile/15E148 Safari/604. 1
Internet Explorer UA stringExamplesMozilla/5. 0 (compatible; MSIE 9. 0; Windows Phone OS 7. 5; Trident/5. 0; IEMobile/9. 0)
Crawler and bot UA stringsExamplesMozilla/5. 0 (compatible; Googlebot/2. 1; +)
Mozilla/5. 0 (compatible; YandexAccessibilityBot/3. 0; +)
Examplescurl/7. 64. 1
PostmanRuntime/7. 26. 5
SpecificationsSpecificationHypertext Transfer Protocol (HTTP/1. 1): Semantics and Content (HTTP/1. 1)# compatibilityBCD tables only load in the browserSee also
User-Agent detection, history and checklist
Firefox user agent string reference
Browser detection using the user agent
Frequently Asked Questions about see user agent
How do I inspect a User-Agent?
How to Change Your User-Agent on Chrome & EdgeRight Click Anywhere in Webpage > Inspect. Alternatively, you can use CTR+Shift+I on Windows, Cmd + Opt +J on Mac.Choose More Tools > Network Conditions. … Uncheck Select Automatically Checkbox.Choose One Among the Built-In User-Agents List.Jun 11, 2020
How do I find my browser User-Agent?
The user-agent string of the browser is accessed using the navigator. userAgent property and then stored in a variable. The presence of the strings of a browser in this user-agent string is detected one by one.Nov 15, 2019
How do I find the User-Agent in Chrome?
Google Chrome Chrome’s user agent switcher is part of its Developer Tools. Open them by clicking the menu button and selecting More Tools > Developer Tools. You can also use press Ctrl+Shift+I on your keyboard.Jul 3, 2017