About FastMinify
Online code compressor / uncompressor
Technologies used
FastMinify is built with the most modern and performant web technologies
Next.js 15
React framework with App Router, Server Components and SEO optimizations
Terser
High-performance and optimized JavaScript minification engine
CSSO
Advanced CSS optimizer with intelligent compression and syntax analysis
Monaco Editor
Professional code editor with syntax highlighting and autocompletion
TypeScript
Static typing for better security and code maintainability
Tailwind CSS
Utility-first CSS framework for responsive and performant design
Conversion process
Discover how FastMinify intelligently and securely transforms your code
Code analysis
The code is analyzed client-side to identify syntax, possible optimizations and data structures
Intelligent optimization
Application of advanced compression algorithms according to code type and selected options
Final compression
Generation of optimized code with preserved functionality and statistics display
Minification algorithms
Each code type uses specialized algorithms for optimal compression
JavaScript
Applied optimizations:
- • Remove spaces and comments
- • Minify variable names
- • Optimize expressions
- • Eliminate dead code
- • Compress character strings
CSS
Applied optimizations:
- • Remove unnecessary spaces
- • Convert colors (blue → #0000ff)
- • Merge identical rules
- • Optimize selectors
- • Remove redundant properties
Performance and security
FastMinify guarantees optimal performance and maximum security for your data
Processing speed
Instant client-side processing without network latency, even for large files
Total privacy
No data is sent to our servers. All processing is done locally in your browser
Guaranteed reliability
Tested and proven algorithms, with guaranteed preservation of original code functionality
Transparency and open source
FastMinify is completely transparent and open source to guarantee your trust
Total transparency
- •Completely transparent source code
- •Open minification algorithms
- •Public security audit
- •Encouraged community contribution
Continuous evolution
- •Regular updates
- •Free new features
- •Support for latest web standards
- •Continuous performance improvements
Next steps
Put this into practice now with our tool, explore guides and options.