JS / CSS / HTML Minifier
Minify JavaScript, CSS, and HTML to reduce file size. Shows size reduction percentage. Fast, free, and fully client-side processing.
Why use a Code Minifier?
Minification removes unnecessary characters from code (whitespace, comments, line breaks) without changing functionality, resulting in smaller file sizes. Smaller files load faster, consume less bandwidth, and improve page performance. Minification is a standard practice in production deployment, typically reducing file sizes by 20-60%.
Key Features
- Minify JavaScript, CSS, and HTML with a single tool
- Shows original vs minified size with reduction percentage
- Tab-based interface for switching between language types
How to use
- Select the language type (JavaScript, CSS, or HTML)
- Paste your code in the input field
- Click Minify and copy the compressed result
Technical Details
JavaScript minification removes comments, collapses whitespace, and removes unnecessary spaces around operators. CSS minification removes comments, collapses whitespace, removes unnecessary semicolons, and converts zero values. HTML minification removes comments, collapses whitespace between tags, and removes unnecessary attributes. Note: this is a basic minifier and may not handle all edge cases like advanced JS minifiers (Terser, UglifyJS).
FAQ
Does minification change how the code works?
No, minification only removes unnecessary characters like whitespace and comments. The functional behavior of the code remains identical. However, minified code is harder to read and debug.
How much size reduction can I expect?
Typical size reductions range from 20% to 60% depending on the original code. Code with many comments and extensive whitespace will see the largest reductions.
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