# Pixefy - Responsive Design Checker

> Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.

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

## Overview

- **ID:** `pixefy`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Pixefy
- **Category:** web-development
- **Daily users:** 273
- **Weekly downloads:** 14
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.2.18
- **Last updated:** 2026-09-04
- **First published:** 2025-09-11
- **Size:** 2.77 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pixefy/)
- **Website:** [https://www.pixefy.io](https://www.pixefy.io/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/pixefy/privacy/](https://addons.mozilla.org/firefox/addon/pixefy/privacy/)

## Description

Pixefy helps you spot layout issues instantly with live editing and multi-device previews in a single tab. Preview, debug, and fine-tune designs across breakpoints without juggling multiple windows.

Key capabilities include custom screens and presets, CSS debugging, content editing, accessibility checks, and an SEO overview—delivered through side-by-side previews, live inspections, and export-ready feedback.

## Rankings

- #6,999 — Overall
- #6 — response
- #12 — design
- #67 — checker
- #84 — changelog
- #84 — debug

## Permissions and access

### Permissions

- `tabs`
- `scripting`
- `storage`
- `unlimitedStorage`
- `webNavigation`
- `webRequest`
- `declarativeNetRequest`
- `browsingData`
- `contextMenus`

### Host permissions

- `<all_urls>`
- `http://localhost/*`
- `https://localhost/*`
- `http://127.0.0.1/*`
- `https://127.0.0.1/*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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 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/pixefy)