Remove url forward slash for profiles

Hi all, I'd like my site to display mydomain.com/profilename
At the moment because I have CB linked to a button it is more like mydomain.com/profiles/profilename

How can I achieve this?
When joining my site you get to choose your own url, so hopefully in that section it would also change to reflect what I need also?

Thanks for any help

You can't really do that due to the way Joomla works. Joomla needs to know what component it's trying to reach. It does this using the menu item alias. Example as follows.

Menu URL: index.php?option=com_comprofiler&view=userprofile
Menu Alias: profiles

The above tells Joomla it's going to the CB extension and outputting the userprofile view. Without this Joomla has no idea where to go. The menu alias has to be unique within its parent. So lets say this menu item is top level (it's a child menu item of another menu item). This gives you URLs like the following.

/profiles/username

Notice the alias is before the username. Joomla will convert that to the raw URL below.

index.php?option=com_comprofiler&view=userprofile

Joomla now knows where it needs to go. Without this it'll never reach CB. So it can't be removed. The only way to have what you're wanting is maybe built in 404 redirect behavior to redirect URLs to CB if they don't exist, but I don't really recommend doing this as it could cause all kinds of URL conflicts in Joomla.