Preview link contents in a pop-up frame with link-hint.
Set frame parameters in the alist link-hint-preview-frame-parameters.
Set additional configurations by adding to link-hint-preview-mode-hook.
For example, to remove mode-line and tab-bar from the pop-up frame, evaluate:
(add-hook 'link-hint-preview-mode-hook 'link-hint-preview-toggle-frame-mode-line)
(add-hook 'link-hint-preview-mode-hook 'toggle-frame-tab-bar)Pop-up frame opens in read-only-mode, which see for mode-specific keybindings.
Pressing ‘q’ closes the pop-up frame and returns point to previous window.