Minify CSS
Generate compact CSS from a parsed stylesheet.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Paste your source, choose the supported options, then process. Inspect or download the complete result.
Limits and behavior
Removes optional syntax whitespace without changing rule intent. Does not optimize selectors, merge declarations or check browser support. Maximum total input 1 MB, output 3 MB, JSON nesting 64 levels. Processing stays in your browser worker. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Minify CSS stylesheets
Compact supported CSS rules to reduce source verbosity for web projects.
Does CSS minification automatically optimize every selector?
No. It is source minification, not a full unused-CSS audit or design optimization.
Related tools: format css · minify html