Inspect any website's design instantly. Analyze fonts, colors, spacing, CSS and components with a side panel.
Users
3
−3 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#314K
#251K among extensions
Version
1.0.0
updated 30 May 2026
Users
monthly, 5 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 15 Oct 2026:0 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 Feather - 支羽
Feather is a powerful web design inspection tool that helps designers and developers analyze any website's visual details directly in the browser.
HOW IT WORKS
1. Click the Feather icon to open the side panel
2. Toggle the inspection mode ON
3. Hover over any element on the page
4. View detailed design data in the side panel
FEATURES
Typography Analysis
- Font family, size, weight, line height
- Letter spacing and text alignment
- Web font detection with source identification
Color Inspection
- Text, background, and border colors
- Color format display (HEX, RGB, HSL)
- Gradient detection and CSS output
- CSS variable color matching
Layout & Spacing
- Box model visualization (margin, padding, border)
- Flexbox and Grid layout detection
- Element dimensions and positioning
- Spacing between sibling elements
CSS Properties
- All matched CSS rules
- Inline style inspection
- CSS variable detection
- Framework identification (Tailwind, Bootstrap, MUI)
Component Detection
- Automatic component type recognition
- Buttons, Cards, Navbars, Forms, Modals, Hero sections
Asset Analysis
- Image dimensions and formats
- SVG detection
- Background image extraction
WHY FEATHER?
- Fast and lightweight side panel interface
- No page reload required
- Works on any website
- Export data as JSON or CSS
- Save snapshots for later reference
- Clean, distraction-free UI
PERFECT FOR
- UI/UX designers analyzing competitor websites
- Frontend developers reverse-engineering layouts
- Design system builders extracting patterns
- QA testers verifying visual consistency
- Students learning web design techniques
Feather respects your privacy - all analysis happens locally in your browser. No data is sent to external servers.