Last updated: March 13, 2026
Grid Inspector Alternatives (1970)
Chrome DevTools already has a good grid inspector built in. Here are some others worth knowing about.
Did You Know?
Chrome DevTools has had a powerful built-in CSS Grid inspector since 2020. Most developers searching for "grid inspector extension" don't realize they already have one. Here's how to use it:
- Open DevTools (F12 or right-click → Inspect)
- Select any element with
display: grid - Look for the "grid" badge next to the element in the Elements panel
- Click the badge to toggle the visual grid overlay
Quick Recommendation
For grid visualization: Use Chrome DevTools' built-in grid inspector (free).
For copying grid CSS: Frontend Hero lets you click any element and copy all its styles including grid properties.
Quick Comparison
| Feature | DevTools (Built-in) | Frontend Hero | Pesticide | VisBug |
|---|---|---|---|---|
| Grid overlay visualization | ✓ | — | — | ✓ |
| Show actual grid CSS values | ✓ | ✓ | — | ✓ |
| Flexbox inspection | ✓ | ✓ | — | ✓ |
| Copy CSS to clipboard | — | ✓ | — | — |
| No DevTools required | — | ✓ | ✓ | ✓ |
| Additional dev tools | ✓ | ✓ | — | ✓ |
| Free to use | ✓ | — | ✓ | ✓ |
All Grid Inspector Tools
1. Frontend HeroRecommended
Not a grid overlay tool, but shows you the actual CSS grid values -- grid-template-columns, gap, align-items, the works. Click any element, see all its layout properties, copy them. Also does 10 other things.
Key Features:
- See all CSS including grid/flexbox properties
- Inspect grid-template-columns, gap, etc.
- View computed values
- Copy CSS with one click
- 10 additional developer tools included
- Works on localhost and all websites
Pros:
- +Shows actual CSS values, not just overlays
- +11 tools in one extension
- +Works everywhere including localhost
- +Extracts styles you can copy
Cons:
- -$59 (DevTools does grid inspection for free)
- -No visual grid line overlay
- -Way more than a grid tool -- might be more than you need
Verdict:
Use this alongside DevTools' grid overlay. DevTools shows you the lines, Frontend Hero lets you copy the actual CSS values.
2. Chrome DevTools (Built-in)Free & Built-in
Chrome's built-in DevTools has excellent grid and flexbox inspection since 2020. Most developers don't need a separate extension.
Key Features:
- Grid overlay with line numbers
- Flexbox visualization
- Area names display
- Gap highlighting
- Free and built-in
- Regularly updated
Pros:
- +No installation needed
- +Official support from Google
- +Deep integration with browser
- +Excellent for debugging
Cons:
- -Requires opening DevTools
- -Learning curve for new users
- -No style extraction to clipboard
Verdict:
The best option for most developers. If you haven't tried DevTools' grid inspector recently, it's improved significantly.
3. CSS Grid Overlay
A simple extension that adds a visual grid overlay to any page, helping you align elements and debug grid issues.
Key Features:
- Toggle grid overlay on/off
- Customizable grid size
- Multiple overlay colors
- Works on any page
Pros:
- +Very simple to use
- +Quick toggle on/off
- +Lightweight
Cons:
- -Generic grid, not the actual CSS Grid
- -Doesn't show actual grid values
- -Limited customization
Verdict:
Useful for aligning elements to a design grid, but doesn't actually inspect CSS Grid properties.
4. Pesticide
Adds colored outlines to every element on the page, making it easy to see box model and layout structure.
Key Features:
- Outlines all elements
- Color-coded by depth
- Toggle on/off
- Open source
Pros:
- +Quick visual overview
- +Helps debug layout issues
- +Very lightweight
- +Free and open source
Cons:
- -Not specific to grid/flexbox
- -Can be visually overwhelming
- -No property inspection
Verdict:
Good for quick debugging of any layout, but not specific to CSS Grid. Shows structure, not CSS values.
5. Grid Ruler
Adds customizable ruler and grid overlays to web pages for alignment and measurement.
Key Features:
- Horizontal and vertical rulers
- Custom grid overlay
- Configurable grid size
- Measurement tools
Pros:
- +Good for design alignment
- +Customizable grids
- +Includes rulers
Cons:
- -Not for CSS Grid debugging
- -Design tool, not inspection
- -Dated interface
Verdict:
A design alignment tool, not a CSS Grid inspector. Good for pixel-perfect implementations.
6. VisBug
A powerful visual debugging tool from Google that includes grid inspection alongside many other features.
Key Features:
- Visual CSS editing
- Grid and flexbox inspection
- Accessibility tools
- Measurement tools
- Made by Google
Pros:
- +Very powerful tool
- +Visual editing capabilities
- +From Google team
- +Free and open source
Cons:
- -Steep learning curve
- -Can be overwhelming
- -Heavy for simple tasks
Verdict:
Powerful but complex. Great if you want visual CSS editing beyond just grid inspection.
Frequently Asked Questions
Yes! Chrome DevTools has excellent built-in grid and flexbox inspection. Open DevTools, select an element with display: grid, and look for the 'grid' badge next to it. Click the badge to toggle the grid overlay. This was added in Chrome 87 and has been improved since.
Chrome DevTools' built-in grid inspector is the best free option. It shows grid lines, area names, gaps, and more. For a quick visual overview of all elements, Pesticide is a lightweight alternative that outlines every element on the page.
Usually not. Chrome DevTools' built-in features handle most grid debugging needs. Extensions are useful if you want to inspect styles without opening DevTools (Frontend Hero) or want additional features like visual CSS editing (VisBug).
Select an element with display: grid in the Elements panel. The Styles panel shows all grid properties. You can also look for the 'grid' badge on the element tag - clicking it toggles the visual overlay showing grid lines and area names.
Chrome DevTools doesn't have a one-click copy for computed styles. Frontend Hero lets you click any element and copy its complete CSS including grid properties. This is useful when you want to extract grid styles from a website.
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