Code Minifier (JS/CSS)

Choose JS or CSS, paste your source, and get a compact output for quick demos and transfers. Not a full production bundler. - runs.

Introduction

Code Minifier (JS/CSS) is a free, browser-based utility in our Code Tools collection. Choose JS or CSS, paste your source, and get a compact output for quick demos and transfers. Not a full production bundler. Lightweight JS/CSS minification: strip comments and compress whitespace for demos and small snippets. Not a full production bundler pipeline. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include javascript and css modes.

Features

JavaScript and CSS modes
Comment stripping
Whitespace compression
One-click copy

How to use

1
Select JS or CSS.
2
Paste code and click Minify.
3
Copy the compacted output.

Example

JS

Input

function hello ( name ) { return name; }

Output

function hello(name){return name;}

Benefits

Run Code Minifier entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
JavaScript and CSS modes
Comment stripping
Whitespace compression
Pair it with CSS Formatter and HTML Formatter when your workflow needs adjacent utilities.

FAQs

Possibly. It’s a simple minifier - use a real bundler for production builds.

No.

No. It does not rename variables.

Yes. Code Minifier on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. Code Minifier runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Choose JS or CSS, paste your source, and get a compact output for quick demos and transfers. Not a full production bundler. It fits everyday code tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: JavaScript and CSS modes; Comment stripping; Whitespace compression; One-click copy.

Developers often pair Code Minifier with CSS Formatter, HTML Formatter, Code Diff. Open Related tools on this page for quick links.