What is a Javascript Formatter?

A Javascript Formatter is a tool that takes raw, minified or messy JS code and applies consistent indentation and line breaks to make it human-readable.

Is my code secure with this JS tool?

Yes, our tool processes all data locally in your browser. Your Javascript never leaves your device and is not sent to any server.

Javascript Formatter

Beautify, format and minify your JS code with ease and security.

Upload

Input Javascript Code Supports drag & drop (.js, .txt) 0 chars

Drop your JS files here

Accepts .js, .txt

Indentation:

Formatted Result

Original Size

0 B

New Size

0 B

Savings

Status

Optimized

Professional Online Javascript Formatter & Beautifier

Working with complex Javascript code can be challenging when it's not properly formatted. Our Online Javascript Formatter is a free, powerful tool designed to help developers transform messy JS strings into clean, well-indented, and readable code. Whether you're dealing with minified libraries, large scripts, or legacy code, our tool ensures your Javascript is structured perfectly.

Powerful Features

Instant Javascript Beautification
Advanced Code Minification
Syntax Validation & Error Detection
Custom Indentation Levels
Bulk File Processing via Drag & Drop

Security & Privacy

100% Client-Side Processing
Privacy Focused - No Data Uploaded
Free for Commercial & Personal Use
Mobile Responsive Design
Optimized for Speed & Performance