CSS Specificity Calculator

Professional CSS selector specificity calculator — live analysis, comparison, history, dark mode.

As of June 2026, CSS Specificity Calculator has users in the Developer Tools category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
2.1.0
Manifest V3

History

1 snapshots

Tracking since Apr 29, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
DateUsersRatingReviewsVersion
Apr 29, 20262.1.0
Now2.1.0

Permissions & access

Permissions
storage
Host access
None declared

Screenshots

CSS Specificity Calculator screenshot 1CSS Specificity Calculator screenshot 2CSS Specificity Calculator screenshot 3

About

CSS Specificity Calculator is a simple and efficient tool designed to help developers understand how CSS selectors are prioritized by the browser.

This extension allows users to input any CSS selector and instantly calculate its specificity value by breaking it down into inline styles, IDs, classes, attributes, and element selectors. It helps developers debug styling issues, avoid conflicts, and write more predictable and maintainable CSS.

The tool works in a clean and minimal interface, focusing only on calculating and displaying specificity results without modifying any web pages or accessing unnecessary data.

Key Features
Calculate CSS selector specificity instantly
Breakdown of specificity values (IDs, classes, elements)
Clean and easy-to-use interface
Useful for debugging CSS conflicts
Lightweight and fast performance
Privacy

This extension does not collect, store, or share any personal or browsing data. All calculations are performed locally in the browser.

Technical

Version
2.1.0
Manifest
V3
Size
663KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
bcbklgpjgdmjkaibhdopmbdgjhfaifed
Developer ID
uf9b3bca13cc4089ebe66c30352552c4d
Developer Email
[email protected]
Created
Apr 28, 2026
Last Updated (Store)
Apr 28, 2026
Last Scraped
Jun 13, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 13, 2026.