Glance-like Preview (Alt+Click) per Reyozam

Glance-like Preview lets you peek at links without losing context. Hold Alt and left-click a link to open it in a lightweight popup you can fully interact with—scroll, type, play, navigate. If it’s worth keeping, press Alt+Enter to promote it to a real tab without reloading.

Key features.

Alt+Click preview of any link in a clean popup window.

Promote to tab without reload (Alt+Enter).

Pin the popup to ignore outside clicks (Alt+P).

Close with Esc or by clicking outside.

Remembers size & position of the popup

Stable on redirecting results (search engines, trackers, etc.)—we don’t auto-close on navigation “aborted” events

No data collection; everything runs locally

Shortcuts

Alt+Click — open preview

Alt+Enter — promote preview to a tab (focuses the new tab)

Alt+P — toggle “Pinned” mode

Esc — close preview

Permissions explained

<all_urls> to detect Alt+Click and show the overlay anywhere

tabs to promote the preview into a normal tab

windows to open and manage the popup window

webNavigation to keep the controls visible across in-page navigations

storage to remember size/position

Compatibility

Firefox Desktop only (not for Android).

Privacy

The add-on does not collect, store, or transmit any personal data.