JS / CSS Minifier & Beautifier
Beautify or minify JavaScript, CSS, HTML and JSON — using Prettier and Terser, right in your browser.
Runs in your browser Prettier + Terser Live byte-savings
Output appears here.
What it does
Beautify
Format JS, CSS, HTML and JSON with Prettier — the same tool used by millions of developers.
Minify
Compress JS with Terser (mangle + compress), and CSS/HTML/JSON with safe minifiers.
Live diff
See output size and percentage savings instantly so you know exactly what you're shipping.
Frequently Asked Questions
Quick answers about the code formatter.
Need help shipping smaller, faster bundles for your business? Talk to NETIUS →