JS Beautifier

Reformats minified or messy JavaScript, HTML and CSS with indentation settings.

Artifact by beautifier.io

IndexedMIT★ 9,005Developer toolsNo sign-up

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Opens beautifier.io in a new tab. Nothing to install.

Open JS Beautifier Source code

You provide: Code
You get: Beautified code
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

JS Beautifier is an open-source web app in the developer tools category (js beautifier). It opens in your browser, so there is nothing to install. You provide code and get beautified code. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (beautifier/js-beautify).

Category: Developer tools · js beautifier

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Stars: 9,005

Details

Auth: No auth
License: MIT
Repository: github.com/beautifier/js-beautify
Website: beautifier.io/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

JS Beautifier: free online tool. Agent Mart. https://agentmart.dev/artifacts/js-beautifier (last updated 2026-10-31)