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Python/Selenium incognito/private mode

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How do I change the default content in python Selenium?

We can switch back from a frame to default in Selenium webdriver using the switchTo(). defaultContent() method. Initially, the webdriver control remains on the main web page. In order to access elements within the frame, we have to shift the control from the main page to the frame with the help of the switchTo().


First of all, since selenium by default starts up a browser with a clean, brand-new profile, you are actually already browsing privately. Referring to:

  • Python - Start firefox with Selenium in private mode
  • How might I simulate a private browsing experience in Watir? (Selenium)

But you can strictly enforce/turn on incognito/private mode anyway.

For chrome pass --incognito command-line argument:

--incognito Causes the browser to launch directly in incognito mode.

from selenium import webdriver

chrome_options = webdriver.ChromeOptions()
chrome_options.add_argument("--incognito")

driver = webdriver.Chrome(chrome_options=chrome_options)
driver.get('https://google.com')

FYI, here is what it would open up:

happy holidays!

For firefox, set browser.privatebrowsing.autostart to True:

from selenium import webdriver

firefox_profile = webdriver.FirefoxProfile()
firefox_profile.set_preference("browser.privatebrowsing.autostart", True)

driver = webdriver.Firefox(firefox_profile=firefox_profile)

FYI, this corresponds to the following checkbox in settings:

enter image description here


Note: chrome_options is now deprecated. We can use 'options' instead of chrome_options

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument("--incognito")

driver = webdriver.Chrome(options=options)
driver.get('https://google.com')

I have initiated both Chrome and Firefox in incognito/Private mode using ChromeOptions and FirefoxOptions successfully using the code snippets in Java as below:

    //For Firefox
    FirefoxOptions options = new FirefoxOptions();
    options.addArguments("-private");
    DesiredCapabilities caps = new DesiredCapabilities();
    caps.setCapability("moz:firefoxOptions",options);

    //For Chrome
    ChromeOptions options = new ChromeOptions();
    options.addArguments("-incognito");
    caps.setCapability(ChromeOptions.CAPABILITY, options);

    WebDriver driver = new RemoteWebDriver(new URL(URL), caps);

There is a really simple way to make a window open in incognito mode:

from selenium.webdriver.chrome.options import Options

chrome_options = Options()
# incognito window
chrome_options.add_argument("--incognito")

You can also use this library for maximizing the window and more, see the documentation: https://seleniumhq.github.io/selenium/docs/api/rb/Selenium/WebDriver/Chrome/Options.html