Developer DOM Inspector
v1.0.0 Updated Feb 8, 2026 97.82KiB
Description
π DOM INSPECTOR - Professional Web Development Tool
A powerful, Chrome DevTools-style DOM inspector that helps developers and QA engineers visually analyze, debug, and understand web page layouts with precision.
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β¨ KEY FEATURES
π¦ VISUAL BOX MODEL INSPECTOR
- Color-coded margin, padding, border, and content layers
- Live overlay visualization while hovering
- Instant box model calculations
π¨ SMART CSS FILTERING
- Shows only non-default, meaningful CSS properties
- Groups properties by category (Layout, Typography, Flexbox, Grid)
- Toggle between filtered and complete CSS views
- Hex color codes for easy copying
- Syntax-highlighted, DevTools-style formatting
π FLEXBOX & GRID VISUALIZATION
- Visual direction indicators for flex containers
- Grid line overlays for grid layouts
- Auto-detection of layout types
π± RESPONSIVE DESIGN TESTING
- Test multiple device viewports (iPhone, iPad, Desktop)
- Custom viewport dimensions
- Zoom controls and rotation
- Side-by-side comparison mode
π DISTANCE MEASUREMENT TOOL
- Measure precise pixel distances between elements
- Horizontal and vertical spacing calculations
- Visual measurement lines with arrows
- Overlap detection
β¬ ELEMENT OUTLINE MODE
- Color-coded outlines for all page elements
- Quick visual hierarchy understanding
- Different colors for divs, semantic HTML, media, forms, etc.
π― PSEUDO-STATE INSPECTOR
- Force :hover, :focus, :active states
- View pseudo-state CSS rules
- Test interactive element styling
ποΈ INTELLIGENT ELEMENT SELECTION
- Multiple element tracking
- Breadcrumb navigation through DOM tree
- Click breadcrumbs to inspect parent elements
- History navigation (undo/redo for inspected elements)
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π PERFECT FOR
β Front-end Developers - Debug layouts and CSS issues quickly
β QA Engineers - Verify design implementation accuracy
β UI/UX Designers - Inspect spacing, typography, and colors
β Web Developers - Learn from other websites' CSS
β Students - Understand how websites are built
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π‘ HOW TO USE
1. Click the DOM Inspector icon in your toolbar
2. Choose from the floating menu:
β’ π Inspect Element - Click any element to analyze
β’ β¬ Outline All - See page structure at a glance
β’ π Measure Distance - Calculate spacing between elements
β’ π± Responsive Mode - Test different screen sizes
3. View detailed CSS information in the panel
4. Copy CSS with one click
5. Navigate element hierarchy via breadcrumbs
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β‘ PERFORMANCE OPTIMIZED
- Lightweight and fast
- No page reload required
- Works on any website
- Clean UI that doesn't interfere with your work
- Easy cleanup with one click
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π EDUCATIONAL VALUE
Perfect for learning CSS! See exactly how professional websites implement:
- Flexbox and Grid layouts
- Responsive designs
- Typography systems
- Spacing scales
- Color schemes
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π PRIVACY & PERMISSIONS
- Only activates when you click the icon
- No data collection
- No external requests
- Works completely offline
- Open source and transparent
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π KEYBOARD SHORTCUTS
- ESC - Exit inspection mode
- C - Copy CSS of hovered element (during inspection)
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π WHY CHOOSE DOM INSPECTOR?
Unlike browser DevTools:
β Simpler, focused interface
β Visual box model overlays
β Smart CSS filtering (no noise)
β Built-in responsive testing
β Distance measurement tool
β Outline mode for quick understanding
β No learning curve
Unlike other extensions:
β More features (responsive mode, ruler, pseudo-states)
β Better CSS filtering (shows only relevant properties)
β Cleaner, modern UI
β Active development
β Professional-grade accuracy
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β UPCOMING FEATURES
- Screenshot capture
- CSS export to file
- Element comparison mode
- Animation inspector
- Accessibility checker
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π¬ SUPPORT & FEEDBACK
Found a bug or have a suggestion? We'd love to hear from you!
Visit our support page or leave a review.
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Made with β€οΈ for web developers worldwide.
Install now and start inspecting smarter!
Reviews
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Permissions (3)
Permissions
activeTabβΉ Can access the current tab when you click the extension contextMenusβΉ Can add items to the right-click menu scriptingβΉ Can inject scripts into web pages
Details
| Version | 1.0.0 |
| Updated | Feb 8, 2026 |
| Size | 97.82KiB |
| First Seen | Mar 24, 2026 |
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