How to set window size for Chrome in Selenium?

Question

I'm using Selenium WebDriver for automation and I'm using Chromedriver.

I have noticed that when my driver runs and opens the chrome browser, it opens the browser with a strange size. I tried to fixed it but in vain.

Does anybody know how can I change it?

Dejected

What language binding are you using? The API provides methods to set windows size regardless which driver you are using (unless you have specific issues with ChromeDriver, then please provide more information in that case). Here's an article you might want to have a look. How to get window size, resize or maximize window using Selenium WebDriver – Edmundedmunda

Answer 1

Python

Drivers

chrome = 57.0.2987.133
chromedriver = 2.27.440174

Code:

from selenium.webdriver.chrome.options import Options

chrome_options = Options()
chrome_options.add_argument("--window-size=1920,1080")
driver = Chrome(chrome_options=chrome_options)

Goldarn

Yes, latest window resize is buggy in chromedriver, they say its fixed in 2.28 version , but I got error in that version also . I also end up using command line switches and passing window size as args. – Croydon

Thanks! Using ChromeDriver 2.32 and this is the only option that works for a headless variation. C# Windows. driver.Manage().Window.Size does not work. – Bugaboo

I notice that it seems to have a maximum size that it silently reverts to if you go over. (My machine, 1940 pixels high, but it seems to differ.) – Cristophercristy

Update: My comment is true for Chrome, but not Firefox. – Cristophercristy

this notation also works chrome_options.add_argument('--window-size=768x1024') – Reconstruct

@Reconstruct that format didn't work for me using Selenium .NET, while the format in the answer did work – Camaraderie

chrome_options is now deprecated in favour of "options", so it should be driver = webdriver.Chrome(options=chrome_options) – Tinsmith

This got me 90% of the way towards solving my issue (trying to get a 3840x2160 screenshot of a Chrome webpage using Selenium). However, in order for the screenshot to get rendered as a 3840x2160 file, I also had to add options.add_argument('--headless'). Otherwise, the screenshot's dimensions would max out at 3,848 by 1,868 pixels (even when adding options.add_argument('--window-size=3840,2160')). – Induline

Answer 2

Use this for your custom size:

driver.manage().window().setSize(new Dimension(1024,768));

you can change your dimensions as per your requirements.

Ils

Doesn't seems to work for headless Chrome (version 60). However, @Yonatan Kiron's answer does works – Belaud

@MiguelD'Alessio Glad that it helped :) – Ils

Puppeteer solution: see my answer on another thread to do it in using session.send('Browser.setWindowBounds', {windowId, bounds: {width: width, height: height}}) in a Chrome Devtools Protocol (CDP) session. – Marxism

Answer 3

#use chrome webdriver

driver = webdriver.Chrome('path to /chromedriver')
driver.set_window_size(1400,1000)

Birk

this is link to webdriver chrome chromedriver.storage.googleapis.com/index.html?path=2.22 – Birk

this one worked for me. Driver Version 81.0.4044.138 – Dissociable

Also a Winner. Thanks dude – Impracticable

Answer 4

C# version of @yonatan-kiron's answer, and Selenium's using statement from their example code.

ChromeOptions chromeOptions = new ChromeOptions();
chromeOptions.AddArgument("--window-size=1300,1000");

using (IWebDriver driver = new ChromeDriver(chromeOptions))
{
    ...
}

Pikestaff

All the other answers but this are non-default window size, meaning it will still launch ugly +1. – Orthopter

Answer 5

try this

using System.Drawing;
driver.Manage().Window.Size = new Size(width, height);

Illtimed

Answer 6

Try with driver.manage.window.maximize(); to maximize window.

Rapping

Thanks, but I don't want a full screen, but to fix the window's size by my own size. The Chromedriver for some reason fix the window size when open the browser. – Dejected

Answer 7

RUBY

---

Approach #1

options = {
      'chromeOptions' => {
          'args' => ['start-fullscreen']
      }
  }

caps = Selenium::WebDriver::Remote::Capabilities.chrome(options)
@driver = Selenium::WebDriver.for :chrome, desired_capabilities: caps

Approach #2

options = {
      'chromeOptions' => {
          'args' => ['window-size=640,480']
      }
  }

caps = Selenium::WebDriver::Remote::Capabilities.chrome(options)
@driver = Selenium::WebDriver.for :chrome, desired_capabilities: caps

Approach #3

max_width, max_height = @driver.execute_script("return [window.screen.availWidth, window.screen.availHeight];")
@driver.manage.window.resize_to(max_width, max_height)

Approach #4

@driver.manage.window.maximize

Approach #5

target_size = Selenium::WebDriver::Dimension.new(1600, 1268)
@driver.manage.window.size = target_size

Approach #6

@driver.manage.window.resize_to(640, 480)

Approach #7

@driver.execute_script("window.resizeTo(640, 480);")

Phiz

Answer 8

If you're using the Facebook language binding for php try this:

$driver->manage()->window()->setSize(new WebDriverDimension(1024,768));

Raymonraymond

Answer 9

In java/groovy try:

import java.awt.Toolkit;
import org.openqa.selenium.Dimension;         
import org.openqa.selenium.Point;

...

java.awt.Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

Dimension maximizedScreenSize = new Dimension((int) screenSize.getWidth(), (int) screenSize.getHeight());
driver.manage().window().setPosition(new Point(0, 0));
driver.manage().window().setSize(maximizedScreenSize);

this will open browser in fullscreen

Bernini

Answer 10

Following chrome options worked for me for headless chrome:

IN JAVA:

ChromeOptions chromeOptions = new ChromeOptions();
chromeOptions.addArguments("--window-size=1920,1080");
chromeOptions.setHeadless(true);
driver = new ChromeDriver(chromeOptions);
driver.get("your-site");
driver.manage().window().maximize();

selenium-java: 3.8.1

chromedriver: 2.43

Chrome: v69-71

Ibo

Answer 11

If you are using Clojure and https://github.com/semperos/clj-webdriver you can use this snippet to resize the browser.

(require '[clj-webdriver.taxi :as taxi])

; Open browser
(taxi/set-driver! {:browser :chrome} "about:blank")

; Resize browser
(-> taxi/*driver* (.webdriver) (.manage) (.window) 
  (.setSize (org.openqa.selenium.Dimension. 0 0)))

Carrycarryall

Answer 12

Use Dimension Class for controlling window size.

Dimension d = new Dimension(1200,800);  //(x,y coordinators in pixels) 
driver.manage().window().setSize(d);

Pitfall

Answer 13

Ruby version:

caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"args"=> ["--window-size=1280,960"]})

url = "http://localhost:9515"  # if you are using local chrome or url = Browserstack/ saucelabs hub url if you are using cloud service providers.

 Selenium::WebDriver.for(:remote, :url => url, :desired_capabilities => caps)

resize chrome is buggy in latest chromedrivers , it fails intermittanly with this failure message.

                        unknown error: cannot get automation extension
from timeout: cannot determine loading status
from timeout: Timed out receiving message from renderer: -65.294
  (Session info: chrome=56.0.2924.76)
  (Driver info: chromedriver=2.28.455517 (2c6d2707d8ea850c862f04ac066724273981e88f)

And resizeTo via javascript also not supported for chrome started via selenium webdriver. So the last option was using command line switches.

Croydon

Answer 14

As long as the total screen resolution you are using is larger than the window size you want to use you can use this (C#):

browserDriver.Manage().Window.Size = windowSize;

If your screen resolution is smaller then you are out of luck. I tried different ways such as:

chromeOptions.AddArgument($"window-size={windowSize.Width},{windowSize.Height}");

Or even importing the move window function to resize a window:

[DllImport("user32.dll", SetLastError = true)]
static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int Width, int Height, bool Repaint);

// Example
MoveWindow(process.MainWindowHandle, 0, 0, windowSize.Width, windowSize.Height, true);

But none of these work. It seems that chrome does something different to prevent the window size from growing bigger than the screen resolution. With Firefox I didn't see this behavior.

Lei

Answer 15

From my experience setting size from the webdriver is not always reliable. It might apply it to the viewport only or might fall into other issues (like minimum screen size for that particular webdriver).

See https://w3c.github.io/webdriver/#dfn-set-window-rect

The specification does not guarantee that the resulting window size will exactly match that which was requested. In particular the implementation is expected to clamp values that are larger than the physical screen dimensions, or smaller than the minimum window size.

I'm going to try with setting capabilites to see if it's any better.

Allegory

Answer 16

The screen resolution of my device was lower than the screen resolution expected by the test.

Workaround that worked for me:

options.EnableMobileEmulation(new ChromiumMobileEmulationDeviceSettings
{
   Height = 1080,
   Width = 1920,
   EnableTouchEvents = false,
   UserAgent = "Responsive"
});

Signalment

Answer 17

In Python, you can set window size for Chrome with Selenium as shown below. *-window-size and window-size also work:

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument("--window-size=1024,768")
driver = webdriver.Chrome(options=options)

And in Python, you can also do it with the code below according to the doc:

from selenium import webdriver

driver = webdriver.Chrome()
driver.set_window_size(1024, 768)

*My answer explains it more.

Preliminaries

Answer 18

update 12/2023

ChromeOptions options = new ChromeOptions(); options.AddArgument("--app=http:// abc. com ");

//options.AddArgument("--window-size=400,500"); //if this config does not work, try Window size bellow

ChromeDriver webBrowser = new ChromeDriver(options);

webBrowser.Manage().Window.Size = new Size(400,500);

Vaporization