The following commands will produce a small application that allows you to launch Vivaldi in Private mode on a Mac.
Start Terminal paste in the the following code (pressing Enter
when done):
mkdir -p Vivaldi\ Private.app/Contents/MacOS
printf '#!/bin/sh\nopen -a Vivaldi.app --args --incognito' > Vivaldi\ Private.app/Contents/MacOS/Vivaldi\ Private
chmod +x Vivaldi\ Private.app/Contents/MacOS/Vivaldi\ Private
You should now have an application called "Vivaldi Private", stored in the folder where Terminal is running—you can check the folder location with pwd
or open the folder in Finder with open .
Move "Vivaldi Private" to your /Applications
folder and use "Vivaldi Private" to launch, rather than running Vivaldi directly.
This isn't working for me in macOS Monterey, with Vivaldi 4.3.2439.65.