Click the "Select File" button above, and choose your CSS file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert CSS to another file type
To convert CSS style sheets to another format, you need Visual Studio Code or other Web software.
Convert a file to CSS
To convert other file formats to the "Cascading Style Sheet" file type, you need software like Visual Studio Code or a similar tool.
About CSS files
A .CSS file is a plain text document containing Cascading Style Sheets rules. Maintained by the World Wide Web Consortium (W3C), these files define the layout, typography, colors, and responsive behaviors of HTML elements. Standard .CSS files separate web presentation from content, making it easier to maintain visual consistency across multiple web pages. You can write and edit .CSS using any basic text editor, though professional developers rely on IDEs like Visual Studio Code or WebStorm. Despite its universal browser support, writing raw .CSS has major disadvantages for modern development. Standard .CSS lacks advanced programmatic logic like deep nesting, mixins, and mathematical functions found in preprocessors. Furthermore, unoptimized, human-readable .CSS files are "render-blocking" resources; their large file sizes force browsers to halt page rendering until the entire file downloads and parses, resulting in slow website load times and poor SEO performance. To solve these limits, you often need to convert .CSS files. For advanced editing and maintainability, convert your standard .CSS to .SCSS or .LESS to unlock variables and nesting. For web production, convert it to a minified .MIN.CSS file to strip out whitespace and comments, drastically reducing file size. If you need to document styles for non-technical clients, convert to .PDF or .DOCX.
Convert.Guru analyzes your CSS file, detects the exact format, and lets you read the text inside.
If you want to convert CSS file to SCSS, PDF, LESS, HTML, SASS, SVG, HTM, JS, PHP, ASP, ASPX or JSP, you can use Visual Studio Code or similar software from the "Web Page Styling Rules" category. In the File menu, look for Save As… or Export….
To convert RSS, CGI, SITEMAP, PL, WEBMANIFEST, JSON, JS, XML, HTML, ICO, HTM or RB files to CSS, try Visual Studio Code or another comparable tool in the "Web Page Styling Rules" category.
The CSS Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our CSS converter.