Selenium Python maximize Chrome browser window size to make it fit with using screen size

Question

How I can maximize chrome browser window size to make it fit with using screen size? I have tried doing that using the function driver.maximize_window(). It only maximize height but not width.

The version I'm using is: selenium-server-standalone-3.11.0.jar and python 3.6.4

Here's the code I'm using:

from selenium import webdriver
# get initial window size
driver = webdriver.Chrome()
print(driver.get_window_size())
# set window size
driver.set_window_size(480, 320)
print(driver.get_window_size())
# maximize window
driver.maximize_window()
print(driver.get_window_size())
driver.set_window_size(2560, 1440)
print(driver.get_window_size())
driver.quit()

Output:

{'width': 1200, 'height': 1369}
{'width': 480, 'height': 320}
{'width': 1536, 'height': 1417}
{'width': 2560, 'height': 1417}

Possible duplicate of Chrome - org.openqa.selenium.WebDriverException: unknown error: cannot get automation extension at driver.manage().window().maximize(); — undetected Selenium
– undetected Selenium, Commented Mar 22, 2018 at 19:26
in my case, i have multiple monitor, that I set chrome browser should open on 2560x1417. so when I use maximize_window(), it only change height to max not width. — jacobcan118
– jacobcan118, Commented Mar 22, 2018 at 19:35
it turns out i try another function driver.fullscreen_window(). it seems work — jacobcan118
– jacobcan118, Commented Mar 23, 2018 at 0:26

reincore · Accepted Answer · 2018-07-04 14:39:51Z

7

Here is what might help you with your problem if you want to start with an already maximized window:

options = webdriver.ChromeOptions()
options.add_argument("--start-maximized")
options.add_argument('window-size=2560,1440')
driver = webdriver.Chrome(chrome_options=options)

You can also edit the window size as you prefer. The information on this website might also come in handy: http://selenium-python.readthedocs.io

answered Jul 4, 2018 at 14:39

reincore

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4b0 · Accepted Answer · 2020-09-19 11:01:32Z

5

driver.maximize.window() did not work for me.

This worked.

browser.maximize_window()

edited Sep 19, 2020 at 11:01

4b0

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answered Sep 6, 2020 at 5:14

CodingMatters

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Comments

Hassan Imam · Accepted Answer · 2020-06-23 09:17:55Z

0

You can use below code to maximize the browser

driver.maximize.window()

edited Jun 23, 2020 at 9:17

Hassan Imam

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answered Jul 15, 2019 at 13:40

Nilesh Barde

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