CSS Minifier

Use this CSS Minifier to compress the size of your CSS code and improve on-page SEO performance of your website.

How Does this CSS Minifier work?

A CSS Minifier is a code minifier that optimizes CSS files by removing unnecessary characters such as whitespace, comments, and redundant properties without altering its functionality. This process results in a smaller file size, which decreases page load times and improves website performance—crucial for user experience and SEO.

Paste your CSS code in the input field. With the help of AI, the CSS will compress the code and perform the compression.

This refined output maintains full functionality while drastically reducing file size: the CSS miniifer will also provide an estimate of the size saving by showing the before and after size and the percentage drop.

To solve the task, this CSS Minifier tool employs ASK_OPENAI, a native AI function from Rows' catalog. Discover more use cases for AI and how Rows leverages AI to enhance your spreadsheet experience.

How CSS Compression can improve Web Performance?

CSS compression reduces the amount of data transferred between the server and the client. Smaller files load faster, minimizing the time it takes for a webpage to become interactive and visible to users. This can significantly enhance the browsing experience, especially on mobile devices with slower internet connections.

Examples of CSS Before and After Minification

Before Minification

cssCopy code/* Header Styles */ .header { background-color: #f3f3f3; /* Light grey background */ padding: 20px; /* Adds spacing inside the header */ font-size: 24px; /* Large text size */ }

After Minification

cssCopy code.header{background-color:#f3f3f3;padding:20px;font-size:24px} I

In the minified example, all comments, spaces, and new lines are removed, significantly reducing the file size by 60% without affecting the styling of the webpage. This showcases the direct impact of CSS compression on reducing the overall size of style sheets.

Best Practices for Using a CSS Minifier

When using a CSS minifier, it's essential to maintain the original, non-minified CSS files for development purposes. These files are easier to read, update, and debug. Minified CSS should be used in production environments to ensure the website loads quickly. Additionally, automating the minification process as part of a build toolchain can save time and reduce errors.

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