On Windows
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-web-security --disable-gpu --user-data-dir=~/chromeTemp
On MacOS
open -n -a /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --args --user-data-dir="/tmp/chrome_dev_test" --disable-web-security
On Linux (chromium / chrome)
google-chrome --disable-web-security --disable-gpu --allow-file-access-from-files --allow-running-insecure-content --disable-site-isolation-trials --user-data-dir=$HOME/chromeTemp
chromium --disable-web-security --disable-gpu --allow-file-access-from-files --allow-running-insecure-content --disable-site-isolation-trials --user-data-dir=$HOME/chromeTemp