PeekCSS

Hover over any element to view and copy its computed CSS instantly.

As of June 2026, PeekCSS has 34 users and a 5.00/5 rating from 4 reviews in the Developer Tools category.

Developer Tools

Chrome Web Store ↗.crx

Users0%

Rating0%

5.00

4 reviews

Reviews0%

Version

0.1

Manifest V3

History

5 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	34	5.00	4	0.1
Apr 21, 2026	36	5.00	4	0.1
May 6, 2026	33	5.00	4	0.1
May 18, 2026	33	5.00	4	0.1
Jun 1, 2026	37	5.00	4	0.1
Now	34	5.00	4	0.1

Permissions & access

Permissions: scriptingactiveTabclipboardWritestorage
Host access: <all_urls>

Screenshots

About

PeekCSS is a lightweight Chrome extension that lets developers instantly see computed CSS styles on hover — without opening devtools.

🔍 Hover over any element to inspect its CSS  
⌨️ Press Shift to lock and interact with the tooltip  
🎯 Perfect for designers, developers, and frontend tinkerers  
📋 Click the tooltip to copy styles instantly

✨ Use cases:
• Quickly peek into how components are styled
• Debug layout issues without losing focus
• Copy styles directly from live pages

No setup, no console. Just hover.

🧩 Works on all pages (except chrome:// URLs).  
🚀 Lightweight, privacy-respecting, and blazing fast.

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Made for frontend developers who want speed, clarity, and minimalism.