Chrome Extensions for Web Designers
Web design lives in the browser. Whether you are building layouts, picking colors, testing responsiveness, or inspecting typography, the right Chrome extensions save hours of back-and-forth between your design tool and the browser. Here are the must-have extensions for web designers in 2025.
Color Tools
ColorZilla
ColorZilla is the most popular color-picking extension and for good reason. It includes an advanced eyedropper, a color picker, a gradient generator, and a palette viewer. Click any pixel on any webpage to get its exact hex, RGB, or HSL value. It also keeps a history of recently picked colors, which is invaluable when working on a design system.
Pros: Accurate color picking, gradient generator, color history, works on any element including images.
Cons: Interface looks dated, occasional issues with iframes.
CSS Peeper
CSS Peeper takes a different approach—instead of using DevTools, it overlays a clean panel showing the colors, fonts, and dimensions of any element you hover over. It is like a design-focused version of the browser inspector. You can export color palettes and asset lists directly from any page.
Pros: Beautiful interface, quick visual inspection, exports color palettes.
Cons: Sometimes misses pseudo-elements, no gradient detection.
Responsive Design Testing
Responsive Viewer
Responsive Viewer lets you preview your design at multiple screen sizes simultaneously. Instead of resizing the browser window over and over, you see a grid of devices—iPhone, iPad, Desktop, and custom sizes—all rendering your page in real time. You can also take synchronized screenshots across all viewports.
Pros: Multiple viewports at once, custom device profiles, screenshot export.
Cons: Can be resource-heavy with many viewports, some CSS may render slightly differently than actual devices.
Window Resizer
Window Resizer is simpler: it resizes your browser window to common screen sizes with a click. Less feature-rich than Responsive Viewer but lighter and faster for quick checks.
Typography and Font Identification
WhatFont
WhatFont identifies fonts on any webpage by hovering over text. It shows the font family, size, weight, line height, and color. It also detects fonts served through Google Fonts, Typekit, and other web font services. Essential for when you see a typeface you love and need to know what it is.
Pros: Instant font identification, detects web font services, shows full CSS font stack.
Cons: Does not show all typographic properties like letter-spacing or text-transform.
Fonts Ninja
Fonts Ninja goes further by letting you test fonts directly on the page. It identifies fonts, shows prices and purchase links, and lets you try alternative fonts on any text element. It is the font nerd's dream extension.
CSS Inspection and Debugging
VisBug
VisBug by Google is a design tool built into the browser. It lets you nudge, resize, and move elements directly on the page using keyboard shortcuts and drag interactions. You can edit text, adjust spacing, change colors, and see instant visual feedback—all without opening DevTools.
Pros: Direct manipulation of page elements, great for quick visual experiments, built by Google.
Cons: Changes are not saved to code, learning curve for keyboard shortcuts.
Pesticide
Pesticide outlines every element on the page with colored borders, making it easy to see the box model, spot alignment issues, and understand layout structure. It is incredibly simple—one click to toggle on, one click to toggle off—and immediately reveals layout problems.
Design System and Asset Tools
SVG Gobbler
SVG Gobbler finds and lets you download SVG assets from any webpage. It detects SVGs in the page source, inline SVGs, and background images, then presents them in a clean gallery for download or copy. Useful for studying how other sites implement icon systems.
Muzli
Muzli replaces your new tab page with a curated feed of design inspiration from Dribbble, Behance, Awwwards, and design blogs. It is a passive way to stay current with design trends without actively browsing multiple sites.
Recommended Toolkit by Role
| Role | Essential Extensions |
|---|---|
| UI Designer | ColorZilla + WhatFont + CSS Peeper + Responsive Viewer |
| UX Designer | Responsive Viewer + VisBug + Pesticide |
| Design System Lead | CSS Peeper + ColorZilla + SVG Gobbler + Fonts Ninja |
| Freelance Designer | ColorZilla + Responsive Viewer + WhatFont + Muzli |
Getting the Most Out of These Tools
A few practical tips for designers using Chrome extensions:
- Group extensions by workflow: Use Chrome's built-in extension grouping to enable design tools only when you are in design mode.
- Pair with DevTools: Extensions complement DevTools but do not replace it. Learn the CSS panel, computed styles tab, and element inspector alongside these tools.
- Screenshot and document: When you find design patterns you like, use Responsive Viewer's screenshot feature to capture them for your reference library.
Explore more tools in our developer tools category, or check our curated best lists for specific recommendations.