Walker News

How To Change Google Chrome User Agent String?

Web browser identifies itself to web server with an ID, a web ID that is commonly known as web browser User Agent String.

Based on this reported ID, the web server-side programming logic can (by theory) delivers browser-dependant web layout or feature for achieving best browsing experience. It’s also (by theory) a way to statistically record web browser market share or penetration rate.

However, the User Agent Spoofing technique that exists in many well-known web browsers void these theories.

Google Chrome v1.0.154.36 (first non-Beta) is of no exception!

That’s to say, Google Chrome can identify to web server with a fake user agent string, if you want to.

How to easily change Google Chrome User Agent String?

Before graduate from beta to final release, Google Chrome that never goes public allows developers changing user agent string via option switch, in order to trick Hotmail.com in believing an “IE-compatible” web browser is requesting services (particularly composing mail and switching folders in Hotmail).

Google Chrome v1.0.154.36 provide an option switch to support user agent string spoofing.As seen in the screencast, the --user-agent option switch is apparently available in the fifteenth release (i.e. the first non-Beta release, version

Indeed, the first non-Beta release is still using original user agent string suggested in v0.4.154.33 to fix Hotmail compatibility issue.

To change Google Chrome user agent string, add the –user-agent option switch to the chrome.exe program shortcut:
chrome.exe --user-agent="Your favourite User Agent String here"

Remember to close all active Google Chrome browser window and reopen chrome.exe with the tweaked –user-agent option switch.

To confirm the user agent spoofing, just go to useragentstring.com or copy this simple JavaScript to Address bar and press ENTER:

As long as majority of web sites still not recognize Google Chrome, I think Google Chrome will continue to support user agent string spoofing technique. So, it may be one day Google Chrome will fed up and remove the –user-agent option switch.

Custom Search

  1. Walker 15-12-08@00:48

    My bad.

    The original user agent string suggested in v0.4.154.33 is the one currently use in v1.0.154.36.

  2. David Calhoun 16-12-09@05:55

    Looks like you can also find the current user agent by typing this into Chrome’s address bar:


2018  •  Privacy Policy