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I understand that Chrome incognito mode will not preserve cookies or any data for that browsing session, however, should it have access to cookies etc from the normal Chrome session going on during the same time.

The reason I ask this is because one of the tests I am doing needs a brand new browser with no other info. Pretty much like a new machine and first run of the browser. Wondering if Chrome incognito would simulate that instead of cleaning up everything from settings every time I want to run that test.

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up vote 2 down vote accepted

I can confirm that Incognito Mode does not have access to cookies, auto-fill form data, or WebSQL databases from normal mode. (At least, it does not carry over my GMail session, nor does it auto-fill my email or password into the login form).

As a web developer, Incognito mode is a great way to get an empty browser which provides a clean slate for testing a web page.

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That's true, i cant get to my email session either, but then i can see the auto fill for the sites that i have visited on the Normal mode, may its only the history then? – skaneria Apr 29 '13 at 16:26
Yes, the Omnibox seems to have access to my browsing history with regards to suggesting what I'm typing. Think of it more like the pages themselves are incognito, not the browser frame itself. Bookmarks and settings changes do persist, as documented on Chrome's help site. – Darth Android Apr 29 '13 at 16:31
Also it has access to Normal session browse history. I can see visited URLs in the address bar once I type. – igor Jun 5 '15 at 13:11

However, when running a few Chromium incognito windows, all of them have access to all cookies, and it is not possible to clear browsing data. So starting another incognito window is not really helpful, it is not "clean". A bit confusing at first.

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