CSS Minifier & Beautifier

Optimise or reformat your styles with drag-and-drop uploads, live previews, and clear diagnostics.

Drop CSS or to load it here.

Automatic updates run as you type or adjust options.

Why minify CSS?

Smaller files mean faster downloads and better scores on performance audits.
Beautify mode expands code for code reviews or onboarding teammates.
Use descriptive class names and group related rules for clarity before minifying.

What is CSS Minifier?

CSS Minifier is a free developer assistant from WizardOfAZ. Use it to work with CSS snippets using flexible options as part of your debugging and prototyping, without installing extra software.

Because everything happens locally in your browser, your code and credentials stay under your control while you work with CSS snippets using flexible options.

Popular ways to use CSS Minifier

Streamline debugging and prototyping by using CSS Minifier to work with CSS snippets using flexible options.
Share deliverables faster—processed developer payloads are ready for download in seconds.
Combine CSS Minifier with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

Upload a sample file, cast the spell to work with CSS snippets using flexible options, and download the processed result instantly.
Bookmark the CSS Minifier in your browser so recurring tasks stay only one click away.
Share the spell with teammates who need a quick, no-install way to work with CSS snippets using flexible options.

Frequently asked questions

Is the CSS Minifier secure?

Yes. The CSS Minifier runs entirely in your browser, which means your code and credentials never leave your device.

What can I do with the CSS Minifier?

You can debugging and prototyping by processing developer payloads without uploading them to an external service.

Can I use CSS Minifier on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement CSS Minifier:

Base64 Tool — Use it to work with developer payloads using flexible options.
Batch Minifier — Use it to work with developer payloads using flexible options.
CSV To JSON — Use it to convert CSV to JSON.