How to change i3 status separator

1 - First let’s make a backup of our original i3 WM config

cp ~/.config/i3/config ~/.config/i3/config.ori

2 - Edit i3 WM config

I gonna use NVIM to edit the config, you can use whatever editor you want

nvim ~/.config/i3/config

3 - Inside of config file

Now we’re gonna to add this line to make separator a blank space

bar {
    ....
    separator_symbol " "
}

4 - Save the changes and restart i3 WM

Super + Shift + r