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CSS Specificity Calculator

Instantly calculate and visualize the specificity of any CSS selector. Supports comma-separated multiple selectors.

A — ID selectors (#id)

B — Classes, attributes, pseudo-classes

C — Elements, pseudo-elements

Type a CSS selector above to see its specificity.

Note: Inline styles have specificity (1,0,0,0) — they always win over selector-based rules. The !important keyword overrides specificity entirely.

About CSS Specificity Calculator

CSS Specificity Calculator is a free, browser-based utility built for developers and engineers who need a fast, reliable way to instantly calculate and visualize the specificity of any css selector. supports comma-separated multiple selectors. Whether you're debugging an API response, preparing data for deployment, or validating configuration files, this tool handles the job in seconds — with zero server calls. Everything runs locally in your browser, so your source code and data stay private.

How to Use

Enter or paste your input Type or paste your data into the input area. You can also use keyboard shortcuts (Ctrl+V) for quick pasting.

Configure options Adjust any settings or options above the input area to customize the output format and behavior.

Process your data Click the primary action button to process your input. The result appears instantly — no server round-trips.

Review the output Check the output area for your processed result. Any errors or warnings will be displayed clearly.

Copy or download Use the Copy button to copy the result to your clipboard, or download it as a file if that option is available.

🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use CSS Specificity Calculator?

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Instant Results, Zero Setup No need to install CLI tools, configure environments, or write scripts. CSS Specificity Calculator gives you the result instantly in your browser — paste, click, done.

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Your Code Stays Private All processing runs locally using JavaScript. Your source code, API keys, tokens, and configuration data never leave your browser — not even temporarily.

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Part of Your Dev Workflow Bookmark this tool alongside your IDE and terminal. When you need a quick format, encode, or validation, it's one tab away — faster than installing yet another npm package.

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Use It Anywhere Works on any device with a modern browser — laptop, tablet, or phone. Perfect for quick fixes when you're away from your development machine.

Frequently Asked Questions

Specificity is represented as three numbers: A = number of ID selectors, B = number of class/attribute/pseudo-class selectors, C = number of element/pseudo-element selectors. A higher A value always beats any B or C value.

The score shown is A×10000 + B×100 + C. This is a simplified number for quick comparison. Remember that specificity is not truly decimal — (1,0,0) always beats (0,99,99).

No. The universal selector (*), combinators (+, >, ~, space), and the :not() pseudo-class itself all have zero specificity. However, the selectors inside :not() do count.