How to take screenshot with the same window size in Selenium in Python?

Question

I want to take a screenshot in headless mode using Selenium at specific resolution, but even if I set the driver window size, the screenshot is taken at a different resolution:

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

width = 1024
height = 768

chrome_options = Options()
chrome_options.add_argument('--no-sandbox')
chrome_options.add_argument('--headless')

driver = webdriver.Chrome(options=chrome_options)
driver.set_window_size(width, height)

driver.get('https://google.com')
print('Window size', driver.get_window_size())
# Window size {'width': 1024, 'height': 768}

driver.save_screenshot('screenshot.png')  # <--  Screenshot is saved at different resolution

How can I take a screenshot at the same resolution of driver window size (1024x768 in this example) without have to post-process the saved image?

0buz · Accepted Answer · 2020-06-24 16:25:33Z

3

There's the window-size option you could add.

chrome_options.add_argument('window-size=1024x768')

answered Jun 24, 2020 at 16:25

0buz

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2 Comments

0buz Over a year ago

After writing this answer I gave your script a try and it worked as expected. I checked the image properties and the screenshot was indeed saved at resolution 1024 x 768.

revy Over a year ago

Thanks, add_argument('window-size=1024x768') did the trick

Super Kai - Kazuya Ito · Accepted Answer · 2023-09-13 15:27:49Z

0

With the code below, you can set window size. *My answer explains it more:

chrome_options.add_argument('--window-size=1024,768')

Or:

driver.set_window_size(1024, 768)

answered Sep 13, 2023 at 15:27

Super Kai - Kazuya Ito

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