/url
Open or save URLs. This works with OMEMO encrypted files as well.
/url open <url>
/url save <url> [<path>]
open
Open URL with predefined executable.
save
Save URL to optional path, default path is current directory.
/url open https://profanity-im.github.io
/url save https://profanity-im.github.io/guide/latest/userguide.html /home/user/Download/