사용 방법
텍스트 붙여넣기 또는 입력
입력 영역에 텍스트, 코드 또는 데이터를 입력하세요.
옵션 선택
적용할 변환이나 포맷을 선택하세요.
결과 복사
한 번의 클릭으로 출력을 클립보드에 복사하세요.
이 도구를 사용하는 이유
100% 무료
숨겨진 비용도, 프리미엄 등급도 없습니다 — 모든 기능이 무료입니다.
설치 불필요
브라우저에서 완전히 실행됩니다. 소프트웨어를 다운로드하거나 설치할 필요가 없습니다.
프라이빗 & 안전
데이터가 기기 밖으로 나가지 않습니다. 어떤 서버에도 업로드되지 않습니다.
모바일 지원
완전 반응형 — 스마트폰, 태블릿, 데스크톱에서 사용할 수 있습니다.
CSS and JavaScript Minification for Web Performance
Key Takeaways
- Minification removes whitespace, comments, and unnecessary characters to reduce file sizes by 20–60% on average.
- Smaller CSS and JavaScript files mean faster page loads, especially on mobile networks with limited bandwidth.
- All minification runs in your browser — your source code stays completely private.
Every kilobyte matters for web performance. CSS and JavaScript minification is a fundamental optimization that strips unnecessary characters from source code without changing functionality. While build tools like Webpack and Vite handle this automatically in production pipelines, a quick online minifier is invaluable for one-off optimizations, email templates, and embedded scripts.
Minification typically reduces CSS file sizes by 20–40% and JavaScript by 30–60%.
Size Reduction
Common Use Cases
Email Template Optimization
Minify inline CSS in HTML email templates to stay under email client size limits and improve rendering speed.
Third-Party Script Embedding
Minify JavaScript snippets before embedding them as inline scripts in CMS platforms or widget integrations.
Performance Auditing
Quickly check how much size reduction minification would achieve for files flagged in Lighthouse performance audits.
CDN Payload Optimization
Minify static assets before uploading to CDNs that do not offer automatic minification at the edge.
Pro Tips
Always keep your original unminified source files in version control — minified code should only be used in production.
Combine minification with gzip or Brotli compression for maximum file size reduction — they complement each other well.
Test minified code thoroughly, as aggressive minification can occasionally break CSS specificity or JavaScript variable scoping.
Use source maps in development to debug minified code by mapping it back to the original readable source.
All CSS and JavaScript minification is performed entirely in your browser. Your source code is never uploaded to any server, ensuring your proprietary code and business logic remain completely private.