CSS and JavaScript Minifier
Minify your CSS and JavaScript code directly in the browser. Removes comments and unnecessary whitespace.
You use this tool often? Pro includes files up to 500 MB and priority processing.
What is CSS / JS Minifier?
WebFileTools CSS/JS Minifier removes whitespace, comments, and unnecessary code to reduce file sizes.
How to use this tool?
Paste your CSS or JavaScript, click Minify, then copy or download the minified version.
Benefits
- CSS and JS support
- Significant size reduction
- One-click copy
- 100% local
Frequently Asked Questions
- Which languages are supported?
- CSS and JavaScript (ES5+). TypeScript is not directly supported.
- How much size reduction can I expect?
- Typically 20% to 60% depending on the amount of whitespace and comments.
- Are source maps generated?
- No, this tool focuses on quick minification without build tooling.
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Use →What is CSS / JS Minifier?
WebFileTools CSS/JS Minifier removes whitespace, comments, and unnecessary code to reduce file sizes.
How to use this tool?
Paste your CSS or JavaScript, click Minify, then copy or download the minified version.
Benefits
- CSS and JS support
- Significant size reduction
- One-click copy
- 100% local
Frequently Asked Questions
- Which languages are supported?
- CSS and JavaScript (ES5+). TypeScript is not directly supported.
- How much size reduction can I expect?
- Typically 20% to 60% depending on the amount of whitespace and comments.
- Are source maps generated?
- No, this tool focuses on quick minification without build tooling.
Similar Tools
JSON Formatter
Validate, format, and minify JSON. Syntax highlighting and file import. 100% in the browser.
Use →Word Counter
Count words, characters, sentences, and paragraphs in your text. Estimated reading and speaking time. 100% in the browser.
Use →Meta Tags Generator
Generate SEO meta tags and Open Graph for your site. Real-time preview. Free.
Use →