Leave empty to process all selectors
Remove empty rules by default
Toggle to preserve empty rules
Select a test scenario to begin
Intelligently removes duplicate CSS properties while preserving the last declaration
Properly handles !important declarations with priority-based logic
Smart handling of vendor-prefixed properties and fallbacks
Process only specific selectors using string, RegExp, or function matching
Optionally remove empty CSS rules for cleaner output
Works out of the box with sensible defaults and optional customization