Frontend
CSS Specificity Calculator
Paste a CSS selector and see IDs, classes, and elements broken down - the exact score that decides which conflicting rule actually wins.
CSS selector
0
IDs
2
Classes / attrs / pseudo-classes
4
Elements
specificity: (0,0,2,4)
This is one question. ArchSetu answers it for a whole repository.
Call graph, dead code, blast radius and a health score, in about a minute.
Related tools
All Frontend tools →Bundle Size Budget CalculatorBundle size, connection speed, and target load time - is your JS bundle within budget.Color Contrast CheckerTwo colors to the exact WCAG contrast ratio, and whether it passes AA and AAA.Core Web Vitals CheckerLCP, INP, and CLS against Google's published thresholds - Good, Needs Improvement, or Poor.React useEffect Dependency CheckerPaste a useEffect/useMemo/useCallback call - identifiers used vs declared deps, mismatches flagged.Browser Bookmarklet GeneratorA small safe preset list, turned into a draggable javascript: bookmarklet.
Was this tool helpful?