# bootstrap12

> Show the Bootstrap grid class currently active (XS, SM, MD, LG, ..)

Canonical page: [https://chrome-stats.com/d/bootstrap12](https://chrome-stats.com/d/bootstrap12)

## Overview

- **ID:** `bootstrap12`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** 18WIN
- **Daily users:** 3
- **Version:** 1.3.0
- **Last updated:** 2024-07-15
- **First published:** 2024-07-14
- **Size:** 138 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/bootstrap12/)

## Description

This tool displays the currently active Bootstrap grid class (XS, SM, MD, LG, XL, XXL).

It has been tested and works with Bootstrap versions 3, 4, and 5.

Please note that it is not compatible with version 4 Alpha 2.

## Permissions and access

### Permissions

- `activeTab`
- `tabs`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension is not longer available in the store

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

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Source: [Chrome-Stats](https://chrome-stats.com/d/bootstrap12)