# Bootstrap - Responsive Helper

> Show the Bootstrap grid class currently active (XS, SM, MD, LG, XL, XXL). Tested and work with the versions: 3, 4, 5 Not compatible versions: 4 Alpha 2

Canonical page: [https://chrome-stats.com/d/bootstrap-responsive-helper](https://chrome-stats.com/d/bootstrap-responsive-helper)

## Overview

- **ID:** `bootstrap-responsive-helper`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kevin Bon
- **Category:** web-development,other
- **Daily users:** 523
- **Weekly downloads:** 2
- **Rating:** 4.38 / 5 (13 ratings)
- **Version:** 1.3.0
- **Last updated:** 2021-06-23
- **First published:** 2017-06-13
- **Size:** 138 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/bootstrap-responsive-helper/)
- **Website:** [https://github.com/KevinBon/webextension--bootstrap-responsiveHelper](https://github.com/KevinBon/webextension--bootstrap-responsiveHelper)

## Description

The Bootstrap Responsive Helper Chrome extension is a handy tool for developers working with the Bootstrap framework. It displays the currently active Bootstrap grid class (such as XS, SM, MD, LG, XL, or XXL) directly on your webpage, making it simple to identify which responsive breakpoint is in effect.

This extension is compatible with Bootstrap versions 3, 4, and 5, ensuring broad usability across many projects. It is not compatible with Bootstrap 4 Alpha 2. By using this helper, developers can quickly debug and optimize their layouts for different device sizes without inspecting CSS manually. Ideal for frontend developers and designers aiming for responsive precision.

## Rankings

- #4,839 — Overall
- #7 — response

## Permissions and access

### Permissions

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

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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 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).

## Review summary

Users appreciate the Bootstrap - Responsive Helper Firefox add-on for its compatibility with multiple Bootstrap versions and Firefox environments, especially Developer Edition and Quantum ESR. It is considered very useful for beginners and praised for its smooth and reliable functionality. The tool effectively supports responsive design tasks within Bootstrap, enhancing user experience without any reported recurring issues.

### Pros

- Compatible with Bootstrap versions such as 4.1.3 and 4.5.0, working well in various Firefox editions including Developer Edition and Quantum ESR.
- Helpful and useful for beginners or 'noobs' as noted by users.
- The plugin functions smoothly and reliably without major issues.
- Provides responsive helper features that integrate well with Bootstrap frameworks.

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