JS Formatter

Beautify messy JavaScript into readable code so it is easier to debug, review, and share without confusing JS formatting with minifying or obfuscating.

Format JavaScript

Paste JavaScript, choose a few practical formatting options, and generate a cleaner result you can copy or download.

Indentation size

Tabs instead of spaces

Use tab characters for indentation.

Use semicolons

Keep a standard semicolon-based output style.

JavaScript input

This tool beautifies and reflows JavaScript for readability. It is not a minifier or obfuscator.

Formatted output

Use the formatted output for debugging, sharing, cleanup, or code review prep.

Characters

Lines

Indent

2 spaces

Semicolons

Quick overview

Why use a JS formatter?

Readable code is easier to debug and review. Formatting is about structure and clarity, while minifying is about file size and obfuscation is about hiding intent.

Beautify messy JavaScript without changing the logic on purpose.

Choose a readable indentation style before sharing or reviewing code.

Keep formatting separate from minifying and obfuscation workflows.

JS Formatter

Format JavaScript code online for better readability without turning the page into a heavy IDE. This tool is for beautifying messy or compressed-looking JavaScript so it is easier to review, debug, and share.

It is different from a minifier or an obfuscator. Formatting is about clarity, not shrinking files or hiding code.

How to use the JS Formatter

Paste your JavaScript into the input area, choose a practical indentation style, decide whether you want tabs or spaces, and run the formatter. The cleaned output appears in a separate pane.

When the result looks right, copy it or download it as a JavaScript file.

JS formatting vs minifying vs obfuscating

A formatter rearranges spacing, indentation, and layout to make code easier to read. A minifier removes extra characters to make files smaller. An obfuscator tries to make code harder to understand.

This page is focused on the first job only: making JavaScript readable again.

Why developers format JavaScript

Formatting helps when code has been pasted from different sources, generated by a tool, compressed into a single block, or written inconsistently. Clean formatting makes debugging, code review, and collaboration easier.

It is also useful when you want to compare logic changes without getting distracted by messy layout.