Code Formatter

Beautify common web languages in the browser. Choose a language, paste code, and copy formatted output. Format JavaScript, JSON, CSS, and HTML with a lightweigh

Introduction

Code Formatter is a free, browser-based utility in our Code Tools collection. Beautify common web languages in the browser. Choose a language, paste code, and copy formatted output. Code Formatter applies practical indentation and spacing rules for JavaScript, JSON, CSS, and HTML. It is a fast local alternative for quick cleanup - not a full Prettier AST engine. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include js, json, css, html modes.

Features

JS, JSON, CSS, HTML modes
One-click format
Copy formatted output
Runs locally

How to use

1
Select a language.
2
Paste code and click Format.
3
Copy the result.

Example

JS spacing

Input

function hello(name){return name;}

Output

function hello(name) {
 return name;
}

Benefits

Run Code Formatter entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
JS, JSON, CSS, HTML modes
One-click format
Copy formatted output
Pair it with Code Minifier and HTML Formatter when your workflow needs adjacent utilities.

FAQs

No. It provides lightweight formatting inspired by Prettier-style spacing.

No.

Best-effort formatting still runs; JSON mode requires valid JSON.

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

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

Beautify common web languages in the browser. Choose a language, paste code, and copy formatted output. 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: JS, JSON, CSS, HTML modes; One-click format; Copy formatted output; Runs locally.

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