How do I use this minifier tool?

Paste your JavaScript or CSS into the editor, click 'Shrink Code Now', and copy the compressed output.

DEVELOPER TOOLS · PERFORMANCE

Professional JS/CSS Minifier

Q: Does minification help SEO?

Yes. Faster load times improve Core Web Vitals, a confirmed Google ranking factor.

Q: Is minification safe for JavaScript?

Absolutely. Our engine preserves functionality while stripping comments and extra spaces.

Q: How much space can I save?

Typical savings range from 20% to 60%, depending on the original code formatting.

Aggressive compression for 99+ PageSpeed scores. Strip comments, whitespace, and bloat without breaking your code. 100% client‑side, instant results.

JS/CSS Minifier

Achieve 99+ PageSpeed with Aggressive Minification

In 2026, every millisecond affects rankings. This minifier strips whitespace and comments, reducing file size by up to 60%. Boost Core Web Vitals and deliver near‑instant experiences.

Paste Your Code
Insert raw JavaScript or CSS into the editor. Supports ES6+ and modern syntax.
Compress Instantly
Click "Shrink Code Now". The tool removes bloat while preserving logic.
Review Savings
See original vs. minified size and percentage saved in real time.
Copy & Deploy
Use the copy button to replace your production files. Enjoy faster load times.

bolt

Zero‑bloat output

Optimized for Google Lighthouse & mobile.

Frequently Asked Questions

What is code minification? expand_more

Minification removes unnecessary characters (whitespace, comments, newlines) from source code without changing functionality. This drastically reduces file size, leading to faster downloads and improved PageSpeed scores.

How do I use this minifier? expand_more

Paste your JavaScript or CSS into the text area above, then click "Shrink Code Now". The compressed code appears instantly. Use the Copy button to grab the result.

Does minification help SEO? expand_more

Absolutely. Faster load times improve Core Web Vitals (LCP, FID, CLS), which are direct ranking signals. Minified code contributes to a 99+ PageSpeed score.

Is minification safe for JavaScript? expand_more

Yes. Our engine preserves all functional code while only removing comments and unnecessary whitespace. Always test the minified output in your development environment.

How much space can I save? expand_more

Savings typically range from 20% to 60%, depending on the original formatting. The live stats panel shows the exact reduction.

Trustpilot

★

Rated 4.8 by developers worldwide

✓ Verified Publisher