Useful Tab Block is a WordPress plugin designed for the Gutenberg editor that enhances document management by adding responsive and AMP-compatible tab blocks. Users can create up to 10 customizable tabs without the need for separate registration for each page. The plugin allows for adjustments in label background colors, text colors, and shapes, ensuring a tailored appearance for each tab.

The plugin's responsive design automatically adjusts tab sizes based on screen dimensions, eliminating styling concerns. Its AMP compatibility is a significant feature, as it operates without JavaScript on the frontend, ensuring faster rendering and functionality. A premium version is available, offering additional features like tab rearrangement, Fontawesome icons, and more intuitive tab management.