グラブルバーブロッカー is a free Chrome add-on developed by confortpinn that blocks the sidebar displayed on the left side of the Granblue Fantasy browser version. It also removes the "Auto Party Formation" feature.

Granblue Fantasy is a popular online role-playing game, and this add-on helps players have a cleaner and more focused gameplay experience. By blocking the sidebar, players can have a larger view of the game screen and avoid distractions from the additional information displayed on the sidebar.

In addition, the add-on also removes the "Auto Party Formation" feature, which can be useful for players who prefer to manually select and organize their party members. This allows for more control and customization in party building.

Overall, グラブルバーブロッカー is a handy tool for Granblue Fantasy players who want to optimize their gameplay experience by removing distractions and enhancing control over their party formation.