Sidebar Manager
Save multiple URLs and load them into the Firefox sidebar. Pin websites to a button in the toolbar to open in the sidebar. It's like Firefox Side View but it lets you save the websites for single click access.
拡張機能メタデータ
スクリーンショット
Save multiple URLs and load them into the Firefox sidebar. Pin websites to a button in the toolbar to open in the sidebar. It's like Firefox Side View but it lets you save the websites for single click access.