# Sen - For Tree Style Tabs

> a theme for Tree style Tabs

Canonical page: [https://chrome-stats.com/d/sen](https://chrome-stats.com/d/sen)

## Overview

- **ID:** `sen`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed (abandoned)
- **Publisher:** Sen
- **Version:** 1.0
- **Last updated:** 2023-08-16
- **First published:** 2023-08-16
- **Size:** 125 KB
- **Data as of:** 2026-07-31
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sen/)

## Description

- Tree Style Tabs
<a href="https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/" rel="nofollow">https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/</a>
- Further customization for TST
<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f02e3e5a9339bfbd20063f4ede521c88311611eae0d07890551fbfe84103264a/https%3A//drive.google.com/drive/folders/12xgzyWC2Ko1JjZbgIaFBo14bh3uE_Ab7%3Fusp=drive_link" rel="nofollow">https://drive.google.com/drive/folders/12xgzyWC2Ko1JjZbgIaFBo14bh3uE_Ab7?usp=drive_link</a>
Including:
+ Rounded corner
+ Margin
+ No Header
+ Auto-hide
For treestyletab.css, go to
Manage extention &gt; TTS &gt; Option &gt; Appearance &gt; Proton &gt; Advanced &gt; go to bottom &gt; Load from File

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [Treestyle Tab Count](https://chrome-stats.com/d/treestyle-tab-count) — 4 users
- [Tree Tabs](https://chrome-stats.com/d/tree-tabs) — 1,866 users, 4.24 / 5
- [TST Notepad](https://chrome-stats.com/d/tst-notepad) — 4 users
- [Vertical Tabs](https://chrome-stats.com/d/vertical-tabs) — 822 users, 4.80 / 5
- [Superclean](https://chrome-stats.com/d/superclean) — 1 users, 4.00 / 5
- [TST Active Tab in Collapsed Tree](https://chrome-stats.com/d/tst-active-tab-in-collapsed-tr) — 128 users, 5.00 / 5
- [Nested tab numbering](https://chrome-stats.com/d/nested-tab-numbering) — 1 users
- [Tree Style Tab RainbowTabsFork](https://chrome-stats.com/d/tree-style-tab-rainbowtabsfork) — 41 users, 3.67 / 5
- [Tree Style Metal Mac](https://chrome-stats.com/d/treestyle-metal-mac)

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Source: [Chrome-Stats](https://chrome-stats.com/d/sen)