# Breakgrid – Responsive Viewport Tester

> Test responsive websites efficiently. Resize your browser window to common viewport sizes with one click. Features predefined presets for all devices, custom resolutions, favorites system, and keyboard shortcuts.

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

## Overview

- **ID:** `breakgrid`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ByteSide.io
- **Category:** web-development
- **Daily users:** 21
- **Weekly downloads:** 2
- **Version:** 1.0.0
- **Last updated:** 2025-11-19
- **First published:** 2025-11-16
- **Size:** 1.53 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/breakgrid/)
- **Website:** [https://breakgrid.byteside.io](https://breakgrid.byteside.io/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/breakgrid/privacy/](https://addons.mozilla.org/firefox/addon/breakgrid/privacy/)

## Description

Breakgrid is the perfect browser extension for developers and designers who want to test responsive websites quickly and efficiently. Resize your browser window to common viewport sizes with one click.

KEY FEATURES

• Predefined Presets: Desktop (4K, Full HD, HD), Tablet (iPad Pro, iPad, Surface), Mobile (iPhone, Samsung Galaxy, Pixel)
• Custom Presets: Create your own resolutions and manage them flexibly
• Quick Resize: Fast input of resolutions (e.g. 1920x1080)
• Favorites System: Mark frequently used presets as favorites
• Recently Used: Quick access to your last 5 used presets
• Keyboard Shortcuts: Ctrl+Shift+→ (Next Preset), Ctrl+Shift+← (Previous Preset)
• Import/Export: Backup and share your custom presets as JSON
• Drag & Drop: Organize your presets as you like

MODERN DESIGN

• Clean & Minimalist: Clear user interface
• Smooth Animations: Pleasant micro-animations for better feedback
• Toast Notifications: Elegant notifications instead of disruptive pop-ups

MULTILINGUAL

Breakgrid supports 8 languages:
Deutsch, English, Español, Français, Italiano, Nederlands, Polski, Português (Brasil)

PRIVACY & SECURITY

• No Data Collection – We don't collect any personal data
• Local Storage Only – All presets stay on your device
• No Server Communication – No data is transmitted
• No Tracking – No cookies, no telemetry
• GDPR Compliant – Fully EU privacy compliant

FAST & RELIABLE

Built with TypeScript and modern web technologies for maximum performance and reliability.

SUPPORT & CONTACT

Questions or feedback? Contact us at breakgrid@byteside.io
Website: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/1cb20b0a2475c35e7d0562fb245ea6e34317e7bb50c11fa4a95029ad1341eabb/https%3A//breakgrid.byteside.io" rel="nofollow">https://breakgrid.byteside.io</a>

Made by <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/934957c32fdf9cabbe8fac7ad55c81d4fc597e27dfb26d532b3b729b1ca23bba/http%3A//ByteSide.io" rel="nofollow">ByteSide.io</a>

## Rankings

- #24,239 — Overall
- #24 — response
- #111 — pleasant
- #125 — break
- #171 — sports
- #189 — resize

## Permissions and access

### Permissions

- `storage`

## Safety

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

### Analysis details

- This extension website URL may be invalid

> 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/breakgrid)