Bookmarks Commander by Brian

Preview:
https://www.youtube.com/watch?v=qoqJK3hEFMs

This is a two-panel bookmarks manager for your browser. It works similar to the famous Total Commander. You can move items between the panels or view two different directories simultaneously.

Instruction:
Click on the toolbar button once to open the commander in a new browser tab. By default the left panel has focus. Use arrow up and arrow down keys to navigate. Use Enter to move to a directory. To move the other panel simply press The left or right arrow key.

Shortcuts:
[open links]: Press Enter key to open on the same tab. Press Ctrl + Enter or Command + Enter to open in a background tab or use double-click to open on the same tab. Press Ctrl/Command while double-clicking to open in a background tab.
[select multiple bookmarks]: Ctrl/Command with left-click to select more items.
[copy links to the clipboard]: Ctrl + C or Command + C to copy selected links to the clipboard.
[copy titles to the clipboard]: Ctrl + X or Command + X to copy selected titles to the clipboard.
[directly navigate to a bookmark]: Press the first character of the title multiple times to navigate between items starting with this particular character
[move one step up]: Use backspace to navigate to the parent directory
[move between left and right panels]: use Tab key to toggle between panels. Use Ctrl + 1 or Command + 1 to move to the left tab. Use Ctrl + 2 or Command + 2 to move to the right tab. You can alternatively use arrow left and right to move between panels.
[move selected bookmarks and folders to the other panel]: Use Ctrl/Command + right arrow key to move selected items to the right panel when the left panel is focused. Use Ctrl/Command + left arrow key to move selected items to the left panel when the right panel is focused.
Ctrl/Command + J: sort bookmakrs alphabetically
[find duplicated bookmarks]: Ctrl/Command + Shift + F

Notes:
1. When an operation is not allowed, the button is disabled.
2. You can see all the shortcuts by placing your mouse over the buttons.
3. You can change font-size and font-family of the interface. Press Ctrl/Command + S to configure