Type a square bracket '[' and select 'Insert Web Link', then paste the URL into the link dialog. Example:
Alternatively, use wiki markup entirely. Type the link, including the alias and the URL. As soon as you type the closing square bracket, Confluence will convert the link to rich text format and add it to the page. This means that you can skip the link browser.
- This works if you have 'Autoformatting' enabled in the editor settings in your user profile.
- This does not work if you paste the wiki markup onto the page. You need to enter the closing bracket manually.