Chrome Flags Reference

--start-maximized

What does --start-maximized do?

Starts the browser maximized, regardless of any previous settings.

Usage

chrome --start-maximized

const browser = await puppeteer.launch({
  args: ['--start-maximized']
});

const browser = await chromium.launch({
  args: ['--start-maximized']
});

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--start-maximized')

driver = webdriver.Chrome(options=options)