Breakgrid – Responsive Viewport Tester

Overview

Resize your browser to common breakpoints in one click.

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 • Dark/Light Mode: Automatic adaptation to your system theme • 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: https://breakgrid.byteside.io Made by ByteSide.io

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Details

Version
1.0.0
Updated
November 17, 2025
Flag concern
Offered by
ByteSide.io
Size
1.53MiB
Languages
8 languages
Developer
ByteSide.io
Anemonenweg 7 Gerstetten 89547 DE
Email
breakgrid@byteside.io
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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