Code Minifier - Minify CSS & JavaScript
Minify your CSS and JavaScript code to reduce file size. Remove unnecessary whitespace, comments, and optimize for faster page loads in production.
Understanding This Tool
What It Does
Compress code by removing unnecessary characters while maintaining functionality. Minification reduces file size for faster downloads without changing how the code works.
Understanding the Results
- Original Code: The input with full formatting
- Minified Code: Compressed version without whitespace
- Size Reduction: Percentage of size saved through minification
- Bytes Saved: Absolute reduction in file size
Common Use Cases
- Web Performance: Reduce JavaScript file sizes for faster loading
- CSS Compression: Minimize stylesheet sizes
- Mobile Optimization: Critical for users on limited data plans
- CDN Bandwidth: Reduce data transferred through CDN
- Code Obfuscation: Makes code harder to read (secondary benefit)
Pro Tips & Best Practices
- Build Process: Typically done automatically in build pipelines
- Source Maps: Keep original code for debugging using source maps
- Variable Renaming: Minifiers rename variables to single letters
Last reviewed:
How this tool works: This tool runs in your browser and on our server in real time. Depending on the tool, results are computed directly from the input you provide or retrieved from live, authoritative data sources at the moment you run a lookup. We do not sell your data, and your lookups are kept private — any history shown here is stored only on your device.