Tile Tabs for Firefox allows tabs to be displayed in tiled layouts within the Firefox tabbed browser content area.

In each tiled layout, tiles can be arranged horizontally, vertically, or in a grid, and tiles can be re-sized by dragging splitter bars. Tabs and links can be dragged to open in new or existing tiles. The scrolling of tiles can be synchronized. A tiled layout can display tabs from more than one Firefox tab group.

The Firefox tabbed browser paradigm is fully maintained. Presentational changes rather than functional changes achieve tiled layouts. All features (menu commands, URL bar, search bar, tabs buttons) operate normally.

Layouts can be created, and tabs can be tiled individually above, below, left, or right of the active tile. Tiles are arranged in groups - where all the tiles in a group have the same width or same height - and all the tiles in a group are separated by splitters, all with the same orientation (horizontal or vertical). Tiles can be displayed with a tab button for each tile or a single tab button for each layout.

Individual Tile Tabs for Firefox layouts can be saved, opened, deleted, or set as the default layout. Also, all of the currently open layouts can be saved as a single Multi-Layout.

Similar:

How-to Mute Tabs in Google Chrome, Mozilla Firefox, and Microsoft Edge

Restore Accidentally Closed Browser Tabs