关于此扩展
This is a Firefox add-on which provides ability to operate tabs as "tree".

New tabs opened from the current tab are automatically organized as "children" of the current.
Such "branches" are easily folded (collapsed) by clicking on down-triangle shown in a "parent" tab, so you don't need to be suffered from too many visible tabs anymore.
If you hope, you can restructure the tree via drag and drop.
  • Such a tree of tabs will behave like a visual browsing history for you.
    • For example, if you see a list of search results for a topic, you'll open each search result link in new child tab.
    • For more details you'll also open more descendant tabs from them.
    • You'll easily dig and dig deeply, without lose your browsing trail - if you hope to go back to the original search result, you just have to switch to the "root" tab.
  • Moreover, you'll treat tree of tabs just as "grouped tabs" for similar topics.

Anyway this addon just provide uncolored "tree" feature.
Please enjoy as you like!

Tips:
  • "F1" key toggles the TST sidebar.
  • "Tree Style Tab" toolbar button also toggles the sidebar. If it's unnecessary, you can remove it from the toolbar.

Helper addons:

There are some addons extending usability of TST's sidebar.

Latest information is available at the repository.
开发者留言
## Similar projects

*Tree Tabs:
Cross-browser, more powerful features, and high customizability.
(One large difference between TST is: the design strategy.
TST is aimed to keep it simple and work together with other addons as possible as it can.)
*Sidebery:
Another tree addon with powerful features.
* Tab Center Reborn:
Vertical tab bar without tree.
* sidebarTabs:
Vertical tab bar with grouped tabs.

There are more similar projects by someone not me, for Firefox or Chrome. Please try them if TST does not perform as you expected.

## Public API for other addons

For addon authors, Tree Style Tab provides public API. If your addon provides extra context menu items for context menu on tabs, you can easily support TST's context menu with small changes. For more details, see the API document.
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