CSS Selector Tester - Free Test Selectors Online
Free online CSS selector testing tool. Test CSS selectors against HTML markup and see matched elements.
Try:
p,.intro,li:nth-child(2)Test results will appear here...
Common CSS Selectors Reference
Basic Selectors
element - Element by tag.class - By class name#id - By ID[attr] - By attributeCombinators
A B - DescendantA > B - ChildA + B - Adjacent siblingA ~ B - General siblingPseudo-classes
:first-child:last-child:nth-child(n):not(selector)Attribute Selectors
[attr=value] - Exact[attr*=value] - Contains[attr^=value] - Starts with[attr$=value] - Ends withCSS Selector Tester Online
Test CSS selectors against HTML markup. See matched element count, content preview, and use quick selector examples.
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How to Use CSS Selector Tester
- Enter your input or configuration in the CSS Selector Tester
- Set up test parameters and options as needed
- Click Test or Run to execute the test
- Review the results and output details
Common Use Cases
- Testing CSS selectors against sample HTML markup
- Learning CSS selector syntax with instant feedback
- Debugging CSS selectors that aren't matching elements
- Validating complex CSS selectors before deployment