tkrkt

Open the current page in a new window without the toolbar.

A simple in-site bookmark manager. Lists bookmarks for only the site you are viewing (like: chrome.google.com). Notice: Bookmarks…

Simple in-site history viewer. You can view histories only on current site.

A side panel bookmark manager that shows only bookmarks for the current domain

Create index tabs to organize your tabs

Track your tab activation history. View recently activated tabs and pages in the side panel.

サイドパネルにはてなブックマークのコメントを表示する非公式拡張機能