Feather - 支羽 icon

Feather - 支羽

by altman.bill.ma · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

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
024May 2026Aug 2026Oct 2026
Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months
001May 2026Aug 2026Oct 2026
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.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−3−50.0%00.00

Version history

1 versions recorded
1.0.030 May 2026

Details

Category
Developer Tools
First seen
30 May 2026
Size
90 KB
Languages
en
Pricing
Free
Extension ID
iemddigmnokphiemiobapnmkdfggpnhm

Permissions and risk

Elevated riskimpact 3, likelihood 3
Permissions
sidePanelactiveTabstoragetabsscripting
Site access
<all_urls>
Can read and change data on every website you visit.

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