Grid Master Pro

by mohamednajiub · Developer Tools

Manifest V3 in_app

View in Chrome Web Store Data as of 16 Oct 2026

Premium customizable grid system overlay for web developers

Users

100

+5 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#84K

#70K among extensions

Version

1.1.0

updated 23 Dec 2024

Users

monthly, 2 years

Latest, 16 Oct 2026: 100 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Grid Master Pro

# Grid Master Pro Transform your web development workflow with Grid Master Pro - the essential tool for precise grid layout visualization and implementation. ## Overview Grid Master Pro is a lightweight yet powerful browser extension that provides real-time grid overlay visualization for web developers. Built specifically for Bootstrap 5, it enables pixel-perfect responsive design implementation with zero configuration. ## Key Features ### 🎯 Professional Grid Visualization - Real-time customizable grid overlay system - Built on Bootstrap 5's grid architecture - Instant visual feedback for layout adjustments ### ⚡ Advanced Customization - Adjustable column count (12 columns by default) - Customizable column gaps - Flexible container types (fluid/boxed) - Configurable overlay colors ### 📱 Responsive Design Tools - Support for all Bootstrap 5 breakpoints (xs to xxl) - Real-time breakpoint indicator - Live screen size display - Comprehensive responsive testing ### 🛠️ Developer Experience - One-click grid toggle - Non-intrusive overlay system - Local settings storage - Zero impact on page performance ## Technical Details - Bootstrap 5 breakpoint support: - xs (0px) - Fluid - sm (576px) - 540px - md (768px) - 720px - lg (992px) - 960px - xl (1200px) - 1140px - xxl (1400px) - 1320px - Default 24px column gap - Standard 12-column grid system ## Perfect For - Front-end Developers - UI/UX Designers - Web Development Teams - Quality Assurance Engineers ## Privacy & Performance - No data collection - Local storage only - Minimal resource usage - Works on all websites Elevate your responsive design workflow with Grid Master Pro - the professional's choice for grid system visualization.