# CSS Breakpoint Button

> See the active CSS breakpoint and viewport width on any page, with Bootstrap, Tailwind, or your own custom rule sets.

Canonical page: [https://chrome-stats.com/d/css-breakpoint-button?hl=es](https://chrome-stats.com/d/css-breakpoint-button?hl=es)

## Overview

- **ID:** `css-breakpoint-button`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Div or Die
- **Category:** web-development
- **Daily users:** 21
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 0.5.0
- **Last updated:** 2026-08-24
- **First published:** 2021-09-02
- **Size:** 119 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/css-breakpoint-button/)

## Description

CSS Breakpoint Button is a Firefox add-on that displays the current css breakpoint and width of the page. It supports Bootstrap and Tailwindcss frameworks and allows for custom breakpoints.

## Rankings

- #23,863 — Overall
- #63 — break
- #74 — point
- #206 — rule

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `scripting`

### Host permissions

- `<all_urls>`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension was recently updated in the past month. New updates 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/css-breakpoint-button?hl=es)